[anovikov]

This. Whenever i dive into Reddit i feel shocked about what a terrible world people are living in, every aspect of their lives. Sometimes it makes sense to close that tab of doom and look out of the window and see people living normal lives.

[legitster]

Commenters and posters are disproportionally going to be people who spend the most time on the site - i.e. introverts and antisocials. So any anonymous social network is going to trend towards pessimism, skepticism, paranoia, etc.