Taliban has essentially allied with India against Pakistan. They have become the threat Pakistan has been fearing since the old soviet days. Pakistan essentially helped the Taliban to defeat the US with the hope that they will not allow Afghanistan to become a hub for India to operate and destabilize Pakistan.
But the Taliban has allied with extremely anti-Muslim BJP govt in India despite their own religious conservatism. This shows Taliban is no longer deserving to rule Afghanistan from Pakistan's perspective.
Let's not forget who kept Taliban alive during the both US and soviet occupation of Afghanistan. It was only due to Pakistan and ISI that the Taliban stays alive.
Pakistan has the golden opportunity to install fully pro-pakistan elements as governing body in Afghanistan. Both US under Trump hates the Taliban. And China also will not like Taliban colluding with India. This is a threat for China as well.
Overall, China and US both will help Pakistan finally finish the Taliban for good inside Afghanistan and install pro-Pakistan government.
