[nomadking]

Even ones that come here that are well behaved, will inevitably go on to have children that will misbehave, join terrorists groups etc.

If the "Asian" sex gangs was truly about sexual frustration, why did they treat the girls that way? Couldn't they just arrange a network of consenting adult female prostitutes?

It is simply that there are too many other Muslims around, ready to assist them that creates the problems. In smaller numbers the things couldn't and wouldn't happen.