Yes, this is a theory I've been thinking about too.
Explains the rise of various political leaders very well.
I find it funny that even the people who comment on the "Everyone Online Is Insane" post sound obsessive or outside the norm.
I find it messes with my mental health when I read too many comments. In the real world I normally find people to be nice and kind. But then I go online and the world is totally different - I have to keep in perspective that its just a small outsized fraction.