When a fundamentalist Christian does something bad, it is an "incident"...when a fundamentalist Muslim does something bad, there seems to be a deeper cause (the religion as a whole)...welcome to the West, leading in tolerance
I do not say all Westerners think like that, but I have to admit that at least here in Europe people seem to blame Islam for criminal Turks and Moroccans more than they blame Christianity for criminal (Christian) Europeans...you probably understand that blaming "basic" criminal acts on a religion is absurd (like in my examples), but I still notice that when Moroccan youth or Turkish youth cause trouble people tend to say "there must be a link with Islam"...
This is just my humble opinion.