[anigbrowl]

No it isn't. The US accepted the Taliban as de facto rules of Afghanistan, notwithstanding their backwards approach to running the country, and negotiated with them on things like rights-of-way for trade and so on up to the summer of 2001, when the Taliban broke off negotiations. That was before the attack on the US took place and the Taliban turned out to have been giving Al Qaeda a a home for its terrorist activities.

There are lots and lots of things wrong with Western policy towards Central Asia, but the causal argument boils down to 'you made me do it', which is almost never true.