One of the oldest principles of warfare is to hand your enemy a series of unsolvable dilemas: Damned if you do, Damned if you don't type decisions.
The natural reaction to this report for the Taliban will be to begin "beating the bushes" in their rear areas in an attempt to locate these stealthy recon teams. That takes a lot of manpower, manpower that will not be available to oppose the Northern Alliance.
While all this distraction is going on, the Northern Alliance will be receiving a major infusion of logistical support and begin to make dramatic territorial gains.