Pakistan's support still a major factor behind the Taliban's advances?

As long as the Pakistani military and intelligence continue to give them the sanctuary, Weapons, shelters to them and to their family, medical aid, unlimited fund, and food, there is no need for the Taliban to accept any compromise or any deal or any dialogue with Afghan President Ashraf Ghani. Why should they when their leaders are safe and their families are safe? If Pakistan wants to show its sincerity, it needs to immediately force the Taliban leaders to leave,