As a German, I have to say: Germans like you make me sad.
Not all immigrants in Germany are "criminal" and "bad". Not all Muslims are "bad". Islam isn't bad. Radical Islam is. And the majority of the immigrants in Germany: Turks, Arabs, Africans, Eastern Europeans, etc. are upstanding citizens. Not all of them are fluent in German, and this is a problem that the state should probably address through integration and German-courses provided by the state. Not all Arabs and Turks are committing crime in Germany; sure, some Arab street gangs are active in Germany, but there are also Neo-Nazi groups made up of "white" Germans, etc. All groups have "bad" people, one cannot generalize as you have.
Why people get so emotional when someone is against immigration?
Every state should prioritize the kind of workforce it needs.
Demagogue politicians opening the door to mass unskilled and cheap workforce should know the blood of religious or cultural victims that is in their hands.
I like Germany/German People.
I like Germany/German People.