It’s not barely believable, it seems unbelievable.
If what he says is true, that strongly suggests that whatever intelligence gathering systems they have in place in Afghanistan at the time totally failed.
When Trump was president, the military was able to find and blow up an Iranian general in his car- they even knew which seat he was sitting in. Yet, now, the military had no idea that the Taliban were rolling over one city after another- reports that I have been watching for weeks on Yahoo News!