fighting words. And here in Canada and other countries that don't have a fetishistic reverence for free speech, it definitely could fall under the category of hate speech. And given past experience, I think we can safely conclude that ridiculing Mohammad qualifies for both in certain segments of the world. What's the point in supporting bigotry if we know from empirical evidence that it will lead to real physical harm? This sort of thing is the geopolitical equivalent of shouting 'FIRE!' in a crowded theatre.
And to be honest, from what I've read, that's exactly what they're aiming for with this thing. It's intended to stir up violence in the Arab world. Given it's backers, I think that they intended it to happen in Egypt, but I don't think they feel particularly guilty if it's an action that makes their particular hated group look worse.