Well, the devil does make work for idle hands, and all that. But some of them actually seemed to have jobs (at the airport!!!) and were doing fairly well in Britain, to say nothing of those who were studying for a career, etc.
I think the welfare "entitlement" mentality probably does permeate the thinking of many Muslims, though, and that is why they are whining about being "profiled" after it has been demonstrated time and again that many among them are trying to kill us. Being on welfare means never having to take responsibility for your actions, and I think the bizarre disconnect that Muslims seem to be capable of - howling that they are being persecuted when we try to stop them from killing us - may be a result of the fact that many of them in Europe were trained in the school of entitlement that is welfare.
I keep wondering how much tighterning up on welfare in the UK might help. I see no reason for the government to subsidize this. make them get jobs and pay the rent. Review, maybe visit recipients.