You should study what happened to the Soviets when they went up against many of the same "cave dwellers".
But what would have happened to those "cave dwellers" WITHOUT the funding,intelligence & weapons (stinger missiles) provided by the CIA? In fact,I'd go so far as to say (because Brezenski did) the Soviets would never have invaded Afghanistan (the "Afghan trap") had we not intentionally provoked them into to doing so. We knew once they did we could use our "Islamic militant" assets to give them a prolonged 'Vietnam' like war that we hoped would lead to their collapse. Everyone should read Zbignew Brezenski's interview in Le Nouvel Observateaur Jan. 1998
The plan worked the USSR is no more,but GONE TOO was the apparent need for the USA to continue to maintain a huge,Cold War sized military. And everyone was expecting a MASSIVE downsizing,world wide base closings (why bases in Western Europe with the Soviet's gone?) UNTIL 911 came along and 'SAVED' them. And best,yet, it came at the hands of the same "Islamic assets" we'd use to bring down the USSR in the first place. So,what did 911 do for the CIA? FBI budget? Military budget? Tell me why I should believe they 'innocently' failed us?