Some people think WW2 would have happened anyway.

He was horrible... but the fact anyone actually listened to him is what really creeps me out.

One evil man I can understand, you ignore him or put him in jail if he does a crime, it doesn't keep people up at night the same way, although it's disgusting.

That same tendency just kind of lurking dormant in millions, means even democracy might not stop it.

I’d go back and show this guy the consequences and convince him to use other additives.

I read a short story (don’t remember the author), the gist of which was an a future where time travel is possible and accessible. There was a group tasked with cleaning up time travel mistakes. Their motto was Everyone always tries to kill Hitler. But this leads to a future armageddon so they have to keep undoing it.