Note how swiftly justice prevailed when its’ their own that were assaulted. Lesson learned.
I’m not sure about the lesson you say that learned and I doubt that it was the one that you should.
I am likely the wrong one to discuss it with, as I was one of those guys for 30 years. I can tell you this, if I wasn’t already retired from duty related injuries (coming up on 8 years retired), I would have gladly joined in the effort... for free.