Gentleman has provided an excellent answer -- as to the imagined powerful Army and ISI, yawn, these are duffers, and extension of the feudals that Gentleman has highlighted -- look Pakistani soldiers are regularly lined up, skinned alive, beheaded, you name it, ever hear the leadership of either the armed forces of ISI say, "we gonna get yu sukka"? and actually get them?? They have golf courses to attend, free useless US equipment in return for giving the US free reign and giving the Indian heart burn.
For the feudals and look the govt of Pakistan is by for and of, these feudals, so long as they are not being targeted and they can make their money, all is good -- look at some of the stuff going on in Pakistan, stock market booming, commodity (read rural) living is large, urbanites and legal property owners running for cover, the have-not 9includes the police and their political patrons)
involved in robbing these same urbanites -- clearly, for some in Pakistan, life is good, I mean really good - "why do you rob banks"? "That's where the money is - why be in govt in Pakistan? That's where the money is