I'm thinking about how all the people I've hated the most are those I've feared becoming. And how mocking statements are only ever targeted at the speaker's worst fears. I wonder what the relationship between anxiety and generally hating the world is.
One of the tricky things about this is that they never happens at the same time, so the root cause isn't obvious. People don't consciously go "I'm scared of being that guy so I'm gonna hate him", it just sort of happens in the background.