You think the Americans are jokers? The concerns are pretty damn valid. Where else have you seen multiple attacks on the Military HQ's, airbases, airports, civilian and military infrastructure, schools, etc? I can assure you, if the terrorism is eroded and these attacks end, over a year or so, this sentiment will change. Pakistan is dealing with a serious issue so any concern with regards to the terrorism is very well justified. The sooner this cancer of terrorism is totally eliminated, the better it is for Pakistan's future.