Strange closing paragraph. Opium production declined dramatically during the years that the Taliban has a greater degree of control. There was also the minor scandal when Canadian troops returned and reported that they were told not to burn the poppy fields. Burning would have been logical if they were a source of funds for the Taliban.
https://en.wikipedia.org/wiki/Opium_production_in_Afghanistan

It is far more likely that forces other than the Taliban are using the funds from heroin sales to support their black ops. Perhaps see eye eh?

As for "For them Pakistan and Afghanistan are one land" is exactly what Brzezinski promised them in return for fighting the Soviets. 
https://youtu.be/A9RCFZnWGE0
As usual, the US did not follow through on its promises with predictable negative consequences.