How is it not in our best interests? These zealots have been chanting (and practicing/striving for) Death to America for a long long time. They have been killing Americans all over the world for decades. Let's remove them from the equation and see what the bottom line is. If
@Persian Vol is right, the populace will embrace it and elect more moderate leadership. If not, then the people are to blame. It is absolutely in our best interests to kill these people. You are too soft to look at the steer before you shoot it in the head, but you surely like that steak when it is on the plate.
Make the CIA great again.