I would say, this would shoot the hell out of the practice of tipping. Many restaurants already put a charge of 18% on the bills for large parties, so it is something of a vexing problem.
Eating out is going to become one of those quaint customs abandoned by the culture as a whole sometime early in the 21st Century, much like opening doors for comely ladies was abandoned in the latter part of the 20th Century. Nobody wanted to observe it any more.
I got the death glare opening a door for a woman at lunch today. She didn’t say thank you. Looked and acted like a miserable human being, but hey, at least she’s a liberated woman.