I don't think the ad (Assuming it's the one Carl posted) is really offensive. Notice it says "Defeat Jihad," not "Defeat Muslims" or "Defeat Palestinians."
For the "Savages" part, I'd say violently storming an embassy (Which can be considered an act of war) and brutally torturing, sodomizing, and murdering innocent people because you're angry about a movie definitely constitutes savagery.