The current science shows that Alcoholics Anonymous is an incredibly effective treatment for many alcoholics. Indeed, the 2020 Cochrane Review on AA shows that Alcoholics Anonymous is more effective then other treatments in getting alcoholics abstinent. See https://www.nytimes.com/2020/03/11/upshot/alcoholics-anonymo... or https://www.wbur.org/commonhealth/2020/03/11/medical-science...
Keep in mind that Cochrane reviews are the golden standard for high quality meta analysis of science, as pointed out at https://en.wikipedia.org/wiki/Wikipedia:MEDDATE