There are numbers floating around regarding the relatively low amount of terrorist incidents committed by Islamic radicals.
Still, two points can be brought up.
Instability is uniquely inherent to the Middle East; and anti-Americanism is common in the Islamic World.
Perhaps these two characteristics of the Islamic World coupled with the increase in radicalized Islamic terrorist incidents (after 2003) could be explained as the products of humiliation .
Fanaticism is denounced by most Muslims.
But even ordinary Muslims, like for example in Iran, feel a sense of betrayal from the US with regards to sovereignty that is seen as the cause of extremism in the first place.
Since Islamic terrorism didn’t surge until after the War in Iraq, their claims seem to exhibit some validity .
The implication here is that, more respect for sovereignty might reduce the impetus for radicalization, and thus terror.