My suspicion is that it's a lot like the communist party of Cuba, or the regime in Iran.

That is, when a nation faces an existential threat from foreign powers that have shown themselves to be relentless and unconcerned with the wellbeing of the nation itself, people tend to rally around whatever hope they have for keeping that foreign threat at bay, and recognize that they don't have the luxury of being picky about those internal policies.

The west likes to point fingers everywhere except back at the imperial forces under its own control.

So who's to blame for the Taliban? Here's looking at you, NATO countries.