It seems to me that the big difference between those new imigrants from Arab states and all the others isn't their religion per se, but their inflexability.
Even around here, every group wants it's own identity and to not loose it by becoming part of the American Melting Pot. You see this in an increase of hyphinated race names. African-American, Italian-American, Mexican-American, etc. We are all American. We can't become one thing if everyone wants to be separate.
What is happening in Europe we see here with people from Chicago and Milwaukee on a much smaller scale. They come here looking for a better life, but many insist on holding onto the lifestyle that led, directly or indirectly, to their previous problems in their old neighborhood - and expect the people who have lived here for generations to except that lifestyle and the problems that go with it.
So, no, I don't think the problem is purely religious in nature. I believe the problem is one of wanting to remain different, and as we often see with new neighbors - they want to change the neighborhood to fit their expectations instead of trying to "fit in".
Ron