it was probably pre-planned....Obama's election campaign needed something to start with....
Stealth technology is even undetectable by american radars. So we are not the only victims. If an F22 raptor goes into full stealth mode, even USAF dont know where it is. They just assume the pilot will remain loyal to state and not sell it in dera adam khel...
One can come into our border cities and bomb it and perhaps even manage to destroy a small town/city, but the army force is designed to keep the country as a whole intact. Enemy can come into our territory and stay there for maybe a few hours or a day or two maybe if lucky and undetected but cannot permanently capture the land.
And even if such a situation occurs, civil alarms will ring and the place will be evacuated or people told to keep low....
the abotabad was just a game , same thing like 9/11 , tube bombings and etc etc...