Well there's something drawing them to these shores and I don't think it's the prospect of meaningful employment!
Do you have any evidence to back that up? The idea of a freebie on the state is a home-grown one.
Perhaps they just want to be in a place where they are not persecuted and have a chance to make a life - gain an education denied to them in their own country and better themselves with a good job. Is that so hard to grasp?