I do always think there is some truth to the classic reddit post that says most of what you read on the internet is written by someone insane
https://www.reddit.com/r/slatestarcodex/comments/9rvroo/most...
https://www.reddit.com/r/slatestarcodex/comments/9rvroo/most...
No crazies = no Newton, no Dirac, no Marx, no Descartes, no Curie, etc etc etc.