Good heavens. It sounded like one of those ranting letters I'd get when I worked for a non profit serving clients in mental health facilities.
I was waiting for the part about the UFO's and CIA controlling his drinking. And as funny as that sounds, I am NOT joking. It really does. Rambling, not making sense.
He has some serious serious issues beyond drinking (which is in and of itself serious).
You did the right thing. He is a mess.