There is a hotel with a restaurant near me in Phimai. In 8 years, the wife and I have gone maybe 4 times. Two times the food was acceptable. The last time, about 6 months ago, the service was horrid. In fact, I never got my food, but the wife got her's. There was one party in a private room, and the staff could not take care of two different tables.
The previous time, about 3 years ago, the food was almost edible, but the waiter was rude to my wife.
When the service or food is bad, we just do not return. Waiting a year or so in hopes of a personnel change.