I'm Not Paying You To Be A Jerk
It's one of those things. People in the service industry need to understand that they are being paid to do a service for me. This does not mean to be rude, or provide little to no help when I specifically ask for it. This stems from a professor of mine.
Now some of you may say "They can't always be nice, its their job to ensure you're ready to go out in the real world." Yeah, well, guess what? I have had plenty of teachers that were preparing me to go out into the real world that didn't have the hobby of making you feel stupid, or small.
Half the time I want to look up at him, take my left hand near my chest, poke it out, and say "You're fired."