As a customer, one of my pet peeves is a constant parade of restaurant employees coming over and asking you “How is everything?” I can understand being conscientious about customer satisfaction, but it disrupts good conversation to have so many interruptions.
Normally asked right after you shove a big forkful of something into your mouth, so all you can do is nod. One of my pet peeves.
That annoys me too. And they always seem to ask that when you have food in your mouth. There was a steak place I went to a few months ago that had a small mat on each table. One side was blue and one side was red. If everything was fine, you left the blue side up and nobody bothered you. As soon as you needed anything (like a drink refill) or had an issue, you flipped it to the red side and almost immediately, the waiter would come to your table.
I thought that was a pretty good idea.