Tell Us This particular overpriced seafood chain where I worked was very focused on comment cards. However, whenever one of us received a bad one, we certainly took care of it before it reached management. If the patrons were dumb enough to leave it on the table, we immediately had fun reading the comments to each other in the back while correcting the grammar. Sometimes, a more sly patron would drop the card into the locked comment box, and then we would retrieve it with an inch or two of tape dangled into the box. And if the patron wrote his name and phone number on the card in hopes of getting free food for his whining, let's just say he was definitely contacted, hee hee.
There was also a comment line customers were supposed to call. We called the number frequently posing as customers and gave idiotic comments just shy of being totally ridiculous. The comments were transcribed onto a list for each individual store and were hung in the employee area, supposedly to humiliate us, but we would wager on who could get the most comments onto the list. We noticed that the comments about the managers' unprofessional behavior and slovenly dress would be mysteriously edited out.
Management would also post nasty complaint letters that had been written to the store. One of the waitresses was a college writing instructor, and she took a copy of one barely literate letter to use as a grammar exercise for her students!