It's not a mystery. It's a normal response when people don't like the truth. Whether the truth is that life evolved on Earth, vaccines are safe, AWG is a serious problem, GMOs are safe, aliens don't visit Earth, ESP doesn't exist; people who don't like the facts jump to "it's a controversy. At least be open to the controversy!"
https://www.youtube.com/watch?v=f5Mdb...
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