Ayn Rand anticipated how she would have written about 2020:

From The Ayn Rand Letter
Vol. IV, No. 2 November-December 1975
A Last Survey--Part I [Ayn Rand's last article before closing down her publication]

"This is to tell you, regretfully, that I am discontinuing the publication of The Ayn Rand Letter after these last two issues.

"I say 'regretfully' because I am sorry to disappoint the readers who have supported this publication, and its predecessors, for so many years. That is why I wanted to make this announcement personally and to tell you my reasons...

"There are many aspects of the Letter's publication which I will miss and regret, but, for me personally, the decision to close it, was something of a relief...

"2. My purpose in writing articles was to discuss the application of Objectivism to modern events—i.e., to explain today's trends by identifying their philosophical roots and meaning, and to present the Objectivist alternative. In this respect, reality has proved too cooperative: so many trends are going the way I predicted they would (only more crudely and viciously so) that I find myself in the 'untitled' predicament over and over again Most of you will remember that I wrote 'An Untitled Letter' once (January 29, 1973). Its first paragraph read: 'The most appropriate title for this discussion would be ''I told you so.'' But since that would be in somewhat dubious taste, I shall leave this Letter untitled.' I am tired of saying 'I told you so' indirectly. It would be better for someone else to observe it.

"My criterion in selecting the subjects I discussed was: the subject's philosophical importance, which had to be demonstrable, but not too obvious. Today, the issues are becoming so crudely obvious that those who do not see them, cannot be helped by any discussion. Time and again, I have found that the basic evil behind today's ugliest phenomena is altruism. Well, I told you so. I have been telling you so since We The Living, which was published in 1936. Those who still pretend that they can save freedom and individual rights without challenging altruism, are outside my power of persuasion (and, I suspect, outside any sort of persuasion, i.e., outside the field of ideas).

"Today's disasters are concrete manifestations of one or more of three fundamental abstractions: mysticism, altruism, collectivism. I have discussed such manifestations in many of their current forms, so that the method or pattern of identifying, understanding and opposing them should be clear to you by now. You should be able to recognize them in their next appearance or latest fashion, which will vary endlessly in form, but not in essence. In this respect, I have given you the intellectual ammunition required.

"As far as I am concerned, I do not care to go on analyzing and denouncing the same indecencies of the same irrationalism. I enjoy writing only so long as I say something I have not said before. For me, every article has to involve some new identification, big or small, not only new to my readers, but new to me. I cannot bear merely to repeat myself. In the last two years, watching the gray monotony of the culture's disintegration, I saw that the time was approaching when I would have to report on the same kinds of phenomena over and over again. I began to feel as if I would have to become a journalist. Casting no aspersions on that once honorable and always badly needed profession, a journalist is what I most emphatically am not...

"3. The state of today's culture is so low that I do not care to spend my time watching and discussing it. I am haunted by a quotation from Nietzsche: 'It is not my function to be a fly swatter.' The evils destroying modern civilization are enormous, but their representatives, agents and carriers are too small to contemplate. This is an illustration of the fact that evil is not 'single and big, [it is] many and smutty and small' (The Fountainhead)—or that evil is a default." [She then described the repetitious smallness of the time before concluding.]

It is already here in different forms and degrees. The latest was the virus shutdown freezing everything in place in the name of emergency, with no thought of how to sustain a functioning economy.

She already wrote this. It's like someone is using Atlas Shrugged as a playbook.

I think she pretty much covered 2020 in AS.

At present, it is more likely that the moochers and looters will have their equivalent of Galt’s Gulch. See Moocher’s Mesa or Comrade’s Canyon.

All bets are off for individual liberty

Her words about student militants still seem apposite!

I was just re-watching and re-listening-to some of the interviews with Rand from decades ago. Her discussion about how our (U.S.) government was (and is) undermining the constitution in one of them from 1964 (republished by the Ayn Rand Institute, titled "The Structure of Government," https://www.youtube.com/watch?v=5mQmP... really got me thinking about how much more, and how much worse, our rights in the constitution have been undermined in recent decades. I think she'd be surprised that New York has not already gone dark.

In terms of Atlas Shrugged...we are already at the end, minus the self destruction of their businesses as punishment to the government, the looters, the attackers.
As for an Atlantis...from what I remember about it's theoretical structure, (not physical structure) America was to be it... in a sense.

A unique observation provided in a comment here...the parasitical delete (looters) already have several "Gulches" to choose from.
Maybe we should call it: George Gorge, (as in sorass)...reminiscent of the "Crack of one's butt".

Where is Galt’s Gulch? Maybe Ms Rand could come up with a less magically hidden place. As it now stands, there is really no place to go. I suppose the richest of producers can buy an island or a small country. As for me, when the dollar is worthless and taxes take what’s left.......fade to black.....

An outline of ideas based on Ayn Rands’ Atlas Shrugged in 2020:

The social unrest swells, the Black Lives Movement and the Anarchists becomes well funded militarized groups.
Major Democrat run cities defund or abolish their police force. Violent crime soars; BLM and Anarchists takes control of those cities.
The Covid 19 virus mutates (now known as Covid19M) and sweeps most of the east coast and west coast of the USA.
Truckers refuse to deliver goods to infected urban centers. Food warehouses are looted.
Super markets are raided and emptied.
Starvation pervades the inner cities.
The Chinese have found a new corona virus in their pigs. The Wuhan lab genetically engineers the virus, and then the CCP exposes it to limited part of their population and encourages them to travel to Europe due to the lifted travel ban.
The CCP and the Mexican Drug Cartels smuggles rocket propelled grenades and AK47’s to the Anarchists. Mass statue and indiscriminate destruction ensues. All federal building are fire bombed. The president tries to escape, his helicopter is destroyed by a shoulder launched missile.
DHS squads tries to fight back, the military is called out but the effort collapses as the Pentagon is fire bombed.
Anarchists set many cities ablaze.
Mass migration begins from both coasts to the interior of the US. Millions die from the Covid19M in route.
A number of vetted individuals make their way to a Florida Objectivist Enclave to start creating a new technological community. A group of engineers there create a plasma shield based on the Casimir Effect to tap into Zero Point Energy to protect the Enclave. Gold and silver become the method for payment of goods and services.

A small group of medical techs and engineers in the Florida Enclave develop medical nanites (ref: Ben Bovas’ “Moon War”) to destroy the virus. They also develop an aerosol (from the movie: The Shape of Things to Come, based on H. G. Wells novel) that could render whole populations asleep, then wake up with loss of previous memory.
Southwest (Arizona, New Mexico and Texas) armed enclaves with restored WW2 and Korean War Military weapons arise and shutdown any movement into those areas. Former military and their families join that enclave. Self-defense and munitions manufacturing along with existing firearms companies becomes their trade product. Their initial goal is to take back the ravage cities by force.
Native American reservations raid National Guard Armories and then take control of large area of the former states they’re in. They revert to their tribal ways and refuse any trade with the Enclaves.
Montana, the Dakotas, Idaho and Wyoming secede and become a separate country. They’re trading agricultural goods with those Enclaves for their tech. Gold and silver is also adopted for payment of goods.
Military bases are now ghost towns some bases that are still manned scrape military hardware into useful products to trade with the Objectivist Enclaves. The remnants of naval vessels become initial mode of transportation for trade among some of the coastal Enclaves.
A Chief Engineer of the merchant marines gathers together merchant mariners and ex-naval personnel to commandeer the remaining SL7 Algol Ro Ro( capable of 30 knots plus) from the Sealift mothballed fleet in New Orleans. They refit her and mount weapons for protection. The coastal enclaves are notified via sat cell they able to pick up and deliver cargo faster than the ex-naval vessels. They will be charging higher fee for that service.
The ex-naval personnel recommend to the Chief Engineer that they could obtain a C-17 Globe Master to pick up and deliver product to inland Enclaves since the plane is capable of short take-off and landing on municipal runways. Now, a C-17 is added to their Fast-Lift organization.
The weaponized virus backfires on the CCP, mass die-off occurs in China. Members of the CCP become infected along with the premier. The military is decimated by the virus. Angry citizens torch all the major cities. Trade ceases. Crops fail due to the farmers are dead. Starvation collapses the country. China ceases to exist.
Major Russian cities collapses due to the Chinese Super Virus, Russians migrate to Siberia.
Poland had shutdown their borders early on and survives as do some of the other Slavic states.
The virus in Europe become like the Bubonic Plague of centuries ago.
India has been spared and the leader there mobilizes the people to build walls and barriers on their borders terrain permitting. Their navy patrols the coast and sinks any refugee craft trying to enter India.
The Muslim countries are also decimated by the virus.
Israel survives. A mass die-off occurs in the Palestinian territory because the ruling government believes that Allah will save them. Then they build catapults to throw dead bodies over the wall in an attempt to infect the Israeli people.
Africa becomes a desolate continent.
My out-line of the Shape of Things To Come.