If I go to eat somewhere, and there are a bunch of fat people in line, I leave. I just lose my appetite.
Okay, but what if it was a really short line, would you still go through with it?
Nope, I'm getting my food from better places.
Don't you think it's rude to treat people differently because of their weight? You should try looking more at yourself and why you feel this way, and less disdain for those doing something that ultimately doesn't affect you at all.