The thing to bear in mind is that the "trouble" is only caused by very few people. The problem ones and I see that as something the communities should think about.
Reminds me of a couple of things.
An irish lad I knew in my teens. Bumped into him sometime later. He did have a period working for a tarmacer. Money good but gave it up as they rip people of and give the Irish a bad name. He wasn't kidding. Some time ago but B'ham Council got so fed up with it they did it for people - charged of course but unlike the usual Irish ones even used fresh tarmac. Stuff that has part gone of is more or less given away.
Another but different when passports became a bit more difficult to get. Vetted at the post office by an Asian lady in her 20's, westernised. I passed a comment about the new checks and she said it serves them right. It's their own fault. Leave you to figure out what I thought about that but clearly a problem that causes certain other things to happen.