Interesting that this comment is still here but mine from early this morning in which I asserted that he wasn't a "Loser" or "Deranged" but rather doing what he believed was right and justified was deleted for incivility.
I believe he is just one of thousands or a hundred thousand of people who hold the same belief and that they will not stop of their own volition because the Koran demands this of them...at least as they see it. 
Was this horrible? Of course. Will it stop? No. I mean even Morrissey gets it.