OP: Did you ever think to yourself that maybe it's the other way around? People don't like you? And that they're simply not including you in their friendship and conversations.

You also have to realize, all that boring, meaningless small-talk is just that: obligatory small-talk. It's the polite, human thing to do. People don't want to talk about quantum chemistry when they meet in a bar or at a party. Yes, a lot of them are boring and stupid, but that's no excuse for pseudo-misanthropy. Frankly, you just sound like a pissed off 13 year old goth kid with no friends.