Hold it...! When these monstrosities were being created; the West, the Muslim World and most of the International Community was there on our side ! We didn't fund the Mujahideen because it was the cute thing to do we did it because, as per our assessment, Soviet Union's presence in Afghanistan posed an existentialist threat to the State of Pakistan ! Then when the time came to rehabilitate entire generations of Afghans and Pakistani Pukhtoons back into society as constructive individuals with some source of livelihood and education to their succeeding generations - the World, including the Kingdom of Saudi Arabia and our Muslim brethren, turned their backs on us and left us with a country that was in tatters, 4-6 million of their people flooding Pakistan in, what appears to be, perpetuity and whole generations of those directly effected who know nothing but strife and conflict !
Pakistan tried to make the best of a very...very bad situation by supporting the rise of the Taliban so that we could contain much of Afghanistan's fall-out to Afghanistan, end the lawlessness, turf-wars and try to, ourselves, rehabilitate the Afghan refugees back into their own country ! Unfortunately that didn't go exactly according to plan with Osama Bin Laden and his Al-Qaeeda coming and infecting the Taliban with his even more perverted and violent dogma. I won't blame the Saudis for the ideology for there is a lot of difference between what Wahabism says and what OBL did but I do blame them for exiling him instead of executing him or better yet involving other agencies in trying to nip Al Qaeeda in the bud when we had the chance !
So, my friend, however much I disagree with Oscar or the Iranians when they peg Extremist or Militant Islam with the Salafi ideology; when blame is being dealt out Pakistan is not the only country responsible for creating this mess. Everyone from the US of A and Britain to KSA and most of the GCC were on board.