This doesn't mean you should tip, or even accept, poor service. Turnover in the industry is high for a reason.
Slice (pun intended):
What evil lurks in the hearts of waiters? Now you can find out. But can you stomach the results?
An anonymous New York waiter wrote online recently: "In my fantasy, I become Darth Vader the next time a customer asks about the wines by the glass, then says, 'Merlot! Waiter, haven't you seen the movie "Sideways"?' Then I will slice off his head with my light saber."End slice: