Well, someone has to stand up for them if the city's leaders refuse to, so.....
Besides, they can't win. Answer a call where the suspect is black and you can either;
A) Make an arrest and be deemed a racist who arrests too many minorities IF the perp allows himself to be taken in, OR
B) Try to make an arrest but get into a fight where you have to hurt or kill and be deemed a racist murderer out hunting minorities if the perp elects to not be taken in.
Who in the hell would want to go through that sh it 12 hrs per day for an entire career? They should only try to help the people who want them there, simple as that.