Most common campground complaints?

We hosted the last 2 years and the complaints that we heard most was directed toward the park improvements and a few complaints of noisy campers. Check your restrooms at least twice a day and if you are making the rounds in the park check them again. We did a good job of keeping them clean and had maybe 2 complaints but they had been checked but they were vandalized several times each week after we left the facility on our daily rounds. What we did not hear was that the restrooms needed attention after we had cleaned them. People seemed to wait til they saw the ranger or would tell the other campers but those that know us knew that we stayed on them. It was aggravating sometimes that campers could call for wood to be taken to their sites but couldn't call that same number to notify us that the b'rooms needed cleaned but would tell other campers. The ranger knew we were cleaning them and for the most part we stayed on top of them but like he told one of our first time visitors that we couldn't live in the restrooms. The vandalism we experienced was feces on the floor. As far as noisy neighbors, if with in quiet time, we called the ranger. We only enforced the park rules and not state or local law and avoided confrontation and the ranger was good to work with. We did get lots of compliments on our care of the park.