I used to enjoy nothing more than a good verbal bashing of alcoholics...
...but not anymore. As many of us do, I know several alcoholics. I'd say none of the ones I know are sociopaths based on your description, though at times their behavior has resonated of sociopathy. To me it looks more like selfishness elevated to a super-human level. Alcoholics being alcoholics. It's like being mad at dog for barking, or a snake for biting. Good God, it's what they do-- they are dogs and snakes!
I do know that my wife could not have done most of what she did without my support and help. Without me cleaning up the messes, covering for her, paying for everything, taking care of our daughter, and pretending like it was going to go away most of it would have been, literally, impossible. I'm a piece of work.
That said, as catharctic as this post probably felt, I'm not sure it's doing anything for the greater good.
Take care,
Cyranoak