How politically correct of them. Ok, let's take a look at this situation: Changed his name after a stint in a UK prison, which are problem spots for the unpleasant kind of Islam. Spent time in Saudi Arabia, where the royal family practices a very strict interpretation of Islam. He carried out an attack laid out in on-line terrorist publications, which have been carried out in Europe and the US, and here. 

Yes, yes, hashtagnotallmuslims. But there is a noticeable, recurring pattern. People can see it, and understand it. Ignoring it isn't helping.