Pakistan is a poor country and PCB wanted to play Pak India match in the Pakistan but Indian government is against Pakistan and they don't want the progress in Pakistan cricket. All teams toured in Pakistan except India and Indian said that Pakistan is not safe country but they didn't give written message.
Indian team is top class team no doubt but Indian government will not take decisions in the favour of Pakistan. Pakistan didn't want hybrid model but India became successful to make hybrid model.But Pakistan country is small country as comparison to India and Most of the viewers are from India . So ICC is recessive in this case and can't take hard action against India because without Indian team tournament Will be enjoyless.
There is no point in complaining too much about this. PCB still receives a good amount in annual funding from the ICC, and most of that money is sourced from India. If the BCCI goes in nuclear mode, then they may even ask the ICC to expel or suspend PCB. And trust me, the ICC will have no other option, but to follow the instructions from the BCCI. None of that is happening, as a middle ground has been found. Also, Jay Shah is quite keen to prove that he can act in a neutral manner.