I'm not for rounding them up and killing them all. But I'm absolutely for a little ethnic cleansing and removing all them from all western countries.
Some cultures simply are not compatible with others.
That wouldn't eliminate the problem. It might delay it awhile.
I used to defend the Muslims. You know, they aren't all like that, etc. I'm finding I was wrong about that.
It seems they all work toward overthrow of any government not run by Islamic law - some just do it violently, and some are much more subtle.