That because your governments in Jordan and gulf and ksa doesn't want a real democracy in Iraq because that's threat their thrones
Syrian nationalism is good becuase its unite the different syrian ethnic groups
Pan Arabism means united with some snakes and backstabbing arabs
Even the so called pan arab Sunnis say the shia are majoos and iranian agents
Pan Arabism in the arab world is failed in the first place because the loyalty to the tribe and the sect is stronger than to nationalism
The Syrians used to be moderate but the evens in Syria turned them to radicals
That's prove the people were not seculars in the first place