Because the police will be on duty as a guard in a non-violent people. Eliminate suffering and happiness, people can be on duty at all, but must be a part of society.
Because the police would have to act as a Phithaksanti representatives. Eliminating happiness to people suffering And can perform in any situation. But it must be part of society.
Because the police would officiate as keepers of the peace people. Eliminate suffering corner to the people. And can work in every situation. It must be a part of the society.