You can't really understand another person until you've slid head-first into First Base in their shoes. Give them the benefit of the doubt. They suffer much more than the rest of us, like Van Gogh. The ignore button works, too.
Trying to reduce the overall level of hatred in the universe as much as possible, I'll simply claim dislike for the Yankees and the Cowboys for the same reason: they are touted as representing Americans and neither is a particularly great example.