Most people with substance abuse problems “grow out of it” with no outside help at all.
https://www.google.com/amp/s/www.psychologytoday.com/us/arti...
Just from personal experience partying with lots of drugs and drinking in the rave scene when I was in my 20s and djing and promoting, the vast vast majority of people just got tired of it one day and quit — or it interferes with their jobs or their families and they did the right thing and stopped eventually.
12 steps’s entire thing about how once you’re an addict you’re going to be one for the rest of your life is just wrong.