On Advanced Prehistoric Civilizations, Space Aliens, and the Alleged Genetic Engineering of the Human Species (especially the first two)

This one may disappoint all you conspiracy theorists out there, though in part 2 I may redeem myself. I totally forgot to mention the traditional Buddhist idea that there have been many cycles of civilization on this earth spanning literally billions of years...although the argument of no substantial evidence applies to that too.
https://politicallyincorrectdharma.blogspot.com/2020/11/on-advanced-prehistoric-civilizations.html