There are some people in this world that can never be pleased, so appeasing them in this case is futile and only makes them try harder. This is the phrase, giving them an inch and they take a mile. Not everyone can get along like some naive people would want you to believe, and we have always been this way.
While modern society has increased cooperation of humans through means communication and laws, some people are just plain trashy. These are the people you cannot control and have them behave properly. The fact is, most humans still have primitive brains.