He's right about Ice being the American Gestapo (An immoral group that thrives on bigotry and hatred)
But claiming MOST cops are good when not even half of them are. (Even his most tantamount predecessor Alfred Hitchcock feared the police, and for good reason too.)
A lot of people believe that they can change the system from the inside. It doesn't make them bad people. Mislead maybe, but not bad. What makes them bad is prolonged existence in the system that is purposefully built to break or push out anyone who doesn't fit. But that takes time.