I think a larger idea is missing from this topic and that is, in that part of the world having a Christian Army, or infidels, is NOT tolerated.
You can like it or hate but thats a fact. That part of the world belongs to them and as they see it, as long as America is over there, sucking out their oil, killing their people, taking the sides of their enemy, America will ALWAYS be in a greater risk of danger.
Will there be extremists that hate America no matter what? Yes, but those would be a handful of rag tag morons that would easily be eliminated if need be. The longer America stays in places like Iraq, Saudi Arabia, the more hatred America will encounter, not just from extremists but from ordinary mothers, fathers, teenagers, etc...