Sure, it's not a solution in and of itself. It's useful to destabilize you from well-rehearsed thought patterns, though - and if you manage to hit the Ballmer Peak of soggy introspection, maybe you can manage to make some progress.
There are definitely times when something that seemed like inconsequential bullshit a few rounds deep was revealed to be just that upon reflection while sober. Unfortunately it's a fine line to walk.