It was sarcasm. It's very subtle but it's easier to figure out if you sound the comment out aloud. The "white people can't be terrorists" is the giveaway.
His comment didn't work because it shoehorns an American political narrative onto Europe. But if he'd said something like, "white people can't be looters" in the context of, say, the Hurricane Katrina disaster, it would have been much clearer.
I regret posting it. A comment better suited for Reddit.
> an American political narrative
Reflected two days ago by a former CIA deputy director who called the French event the worst attack in that part of the world since 2005. Norway didn't count apparently.
His comment didn't work because it shoehorns an American political narrative onto Europe. But if he'd said something like, "white people can't be looters" in the context of, say, the Hurricane Katrina disaster, it would have been much clearer.