I'm just spitballing here, but the guys with the "God Is the Greatest, Death to America, Death to Israel, A Curse Upon the Jews, Victory to Islam" flag may in my opinion have a more expansive agenda than what you're describing.
Hahaha I swear I thought it was a line from Borat before I realized those pricks are using these words exactly to describe their organization.. how anyone is taking them seriously is beyond my understanding..