In the case of Pakistan, the principal geopolitical rival is India. Despite the fact that both have nuclear arsenals and have had skirmishes over Kashmir, a co

In the case of Pakistan, the principal geopolitical rival is India. Despite the fact that both have nuclear arsenals and have had skirmishes over Kashmir, a couple of which after they both made public their nuclear capability, neither of them have tried to use those weapons. What makes it any different if Saudi Arabia, Iran and Israel have them instead?