And there should be. Many muslims view illegal immigration and chain migration as a form of warfare on west by overloading welfare systems and public resources and otherwise demoralizing the society.
Oh, no doubt. They're using the West's policies against them in their silent jihad. By flooding these countries with millions of immigrants, it will make the implementation of Sharia Law that much easier.

Just look at England. They've had Sharia courts that handle civil affairs between Muslims for a few years now.