These people are insane
AA is a fear-driven philosophy: you are doomed if you waver in your resolve for the monster will get you. If the monster has gotten others, it is because their resolve wavered. The control of one's destiny is there for the taking so long as you walk the righteous path. If others fall it is because they lack righteousness.
They blame Anthony Bourdain's suicide on his lack of total abstinence because if they pursue total abstinence, they are immune from suicide.