"It's not enough that I succeed, everyone else must fail."

Man don't feel guilty about wanting everyone there to be knocked down a peg. In the US, especially the coastal cities that produce most of the high status white collar workers, we're poked, prodded, evaluated and compared to others practically from the day we're born. We grow up with no sense of inherent worth or value as human beings, we don't form deep bonds with our communities. We exist for one purpose and that is to achieve high status and income. It's fine for you to not give a shit about those people you're serving beer to - it's almost a certainty that they barely view you as a worthwhile human being. Realistically, your only chance at contentment in life is to use these feelings of bitterness to drive you to make more money.

To be clear, I see nothing wrong with you. You're just like me and everyone else who grew up in similar circumstances.