That, along with North Korea, only shows you that it is, within the global game of influence, pretty stupid to give up a nuclear capability once you have it.
The title comes from Pakistani leaders' declaration that they would acquire nuclear weapons capability even if it meant their citizens would have to eat grass. Every government with a viable nuclear weapons program that has abandoned it has come to regret that decision. The nuclear weapons states have utterly failed to make the NPT an attractive bargain for the non-nuclear weapons states, which has completely undermined the goal of non-proliferation.
They had a choice, they just chose the one that didn't lead to war.