Who would have thought that people who only learned to shoot an kill other people instead of words and math would have problems in an office job? this is like politicians who after many years in opposition suddenly find themselves at the helm, and instead of just criticizing the failures of others have actually do something to make things better.
As awful and regressive as the Taliban is, they dont want a global caliphate. That whole schtick is ISIS's calling card and it means that since the US pulled out they're fighting each other.