To an extenttrue but i think it was tbeir military struggle that brought US to table talk, other wise they had rejected TB long before with the intention to wipe them out. As there continuous attacks brought US to table talk TB can look back and can say proudly that we will do it https://twitter.com/Afghan_Policy/status/1245541385043755013

again if needed. As we all agree that Sharia will be an important part of intra afghan talks, Taliban will celebrate this too.
I disagree with the approach that Taliban are now singing Sharia to calm down the result of slogan victory or death but I would say that

TB are getting what they meant from victory (End of invasion & Imposing Sharia) Both seems achievable in some forms.
Overall a good thread by you