I ate in a buffet style, but there were many types...

I ate in a buffet style, but there were many types of dishes, the quality was reasonably high, and I was contently satisfied. However, for the customer who says something selfish, of course the bad one must be the customer, but it is the staff doing conversations like complaints and complaints among the staff (I was sitting near the entrance It happened to me that I did not feel very good. I understand that it is unpleasant, but I wanted to do at a place that I could not see from the audience at least.