Yup Ok I can see that. But, and a big but here, a lot of the scams that you mention are run in London and possibly other places by certain groups from Eastern Europe who have entered the country either illegally, or supposedly for political assylum and do not have work permits. Which is why the British public is so dubious about the new members of the EU. I had one member of my staff, a very attractive and very young lady from West Africa who was much attracted by the charms of a leader of one such group, who were running an illegal venture within the domain of my client (I was a contracting manager) and trying to expand into other areas..in this case obviously prostitution. Fortunately the young lady in question treated me as a sort of pseudo-mum, as did many of my staff, and responded to my counselling her to ignore the approaches of this man. On the other hand I had a group of genuine assylum seekers from South America (Ecuador) who were not allowed to work, but did really want to, who tried to get me to employ them using fake papers. So you can see I have seen all sides of the problem, and am not talking without knowledge.

The greatest part of wisdom is learning to develop  the ineffable genius of extracting the "neither here nor there" out of any situation...."