They may be good at some things, but, they are also the stupidest, in many ways, they believe things that other inferior races are the same as them, that these inferior races will reciprocate the generosity that liberals have doled out to them when they become the majority or that socialism and communism are valid bases to found society on. 

I'd guess that Merkel is importing third Worlders to boost the German economy by giving these blow-ins welfare money to spend.