They have to govern. They have to maintain economic and political relationships with the rest of the world, or risk being cut off.
A kinder and gentler version of the Taliban will still suck (especially for females), but it is now a world full of cell phones and social media.
The Taliban now have power. Not sure they want to take Afghanistan back to the Stone Age, and exist solely as a heroin supplier and a haven for terrorists. They have experienced some downsides going that route.
But, to be clear, it is the Taliban — tribal fundamentalists.
Time will tell.