This is Pakistan’s own fight. This is a fight to keep Pakistan away from darkness and evil.
These fasadis are as much an enemy of Pakistan and Pakistani people as they are the enemies of America and other non-Muslims.
Is Sawat in FATA too? Is Balochistan in FATA too?
Besides, if FATA claims to be a part of Pakistan then it better be a part of Pakistan. There is no other way around.