They should certainly be better trained in hand to hand, should be compulsory and to a high standard.No, I wouldn't.
I'd be more inclined to step in an help joe public than I would the police. The police are, or should be, equipped to deal with this.
That they may not be is really not my problem, just like burglaries and such like aren't the police's problem any more.
... with that we left them to it
...