Because Pakistan is as weak as a leaf in face of gale force winds. Why do you think Pakistan is regarded as a fragile state. Why do you think most investor stay clear of Pakistan and prefer to invest in India or Bangladesh?
The tank is just a chunk of metal. Men drive it and command it. The crew are Pakistani's who have grown up being pressure pumped with Islam as the ultimate sovereign entity. That is why if you ask a average Pakistani who is, he will reply 'Muslim' followed by Pakistan. So the as the crew face Mullahs and their supporters tey will implore them to stand by Islam and not the corrupt state that has freed a blasphemer. They will ask the soldiers stand by
Islam and not Bajwa who is not a Muslim or Yehoodi bacha Imran Khan. In this situation the men are going to get conflicted. Do they place "Muslim" first or "Pakistan" first. You know what choice they are going to make.
1979. Iranian tank crews join the rebellion.
I will take Italy. So don't bother. You can have Spain if you want.