Don't forget they're your proxy, you brought them to power, supported them when they were hunted. They're forced on us. As to why they're attacked?
Frankly, as always Pakistan is and was a hired gun. This nothing more than papa Trumps request for Bagram. Also, the proxy backfired, so they're of no use to you anymore.
The average Afghans are happy Taliban are getting humbled. We couldn't be happier with the current conflict. We also foresee this situation getting out of hand for both parties. It's match made in heaven