Worse case scenario: Beyond being massive takers, they are also angry at their hosts for their refusal to accommodate the same cultural, religious and economic third world hell that made them flee their homeland to begin with. Executions of atheists in the streets, terrorism, etc. Shorter Game: they win.
Should probably ask Mr. Kierney. I guess if you're Italian, you should be in prison. I've read the RICO Act, and I can tell you it's more appropriate... for some of those guys over in Washington than it is for me or any of my fellas here