The old timers told me the two types of alcoholics were sober ones and drunk ones.
I really take exception at people trying to disect different "types" of alcoholics. The punchline seems always "you must do what I say to do or you can't stay sober.... and if you're managing to stay sober without being my follower you aren't a 'real' alcoholic". This helps nobody, and only serves to stroke the ego of the demogogue preaching to his followers.