Because that is what is: a: what ISIS wants us to talk about, and we are falling for it, and, I truly believe for many/most of ISIS, their religion is NOT a red herring at all in this. b: what so many USains are terrified of c: some aspects of some of our political parties are talking about and trying to scare us about But yes, this is not just an ISIS thing. The French have been killing Algerians and others for years....