if I were into conspiracy theories, I would suspect the NWO types wanted to reignite the Sunni Shiite wars, destroy the oil there, bring on world wide economic collapse etc to facilitate a one world government.
the best case scenario is a reborn Persian empire. Yes, the mullahs are nuts, but they also are corrupt and love money, and know attacking Israel would mean their cities would glow in the dark. So the real danger is ISIL.
A conqueror who withdraws from any place in the ME at whatever stage of pacification or democratization is turning the formerly conquered area back to the primitives and either to strong men or to headchoppers.