Good for him for making light of that shit, and not letting it fester inside him until he wants nothing more than to martyr himself in the name of Allah.
Uh, yeah, didn't you know? They're all Muslims, they're everywhere, they're here to rape our women and kill our children in their sleep! Sarcasm, my friends, it's a slippery slope.
I'll vouch for him, it was sarcasm.