Probably a subjective judgment. Maybe "the worst waiter in the United States" is more apt. I guess if my given name was Edsel Ford, I'd have a chip on my shoulder too...
"Past steaming woks and chopping blocks and up a narrow, creaky staircase, Edsel Ford Fong -- the world's most insulting waiter -- greeted patrons with a “sit down and shut up!” Routinely, he cussed out his customers, sexually accosted female companions, and unapologetically spilled soup across laps. According to one diner, he was so malicious that he “made the Soup Nazi look like the Dalai Lama.” '
May 26, 2014 - "The Worst Waiter in History" by Zachary Crockett on priceonomics.com
As a side note: In 7th grade, the Lady who served as the cafeteria monitor used to blow a whistle and scream at the top of her lungs, "Sit Down and SHUT-UP" when the decibel level rose to a certain point. Her nickname was Frau Bartelmo.