Indeed, there are many paths to God or to spirituality without a belief in God, and there are many paths to battling the demons of addiction, despite what the treatment industry and the 12 step programs would have the world believe, despite the dismal success statistics of the programs. Yet as you say, the programs are a great place to start. My spiritual prompt that I issued this week (they come out every Sunday in Promptly Written) was inspired by my experiences: https://medium.com/promptly-written/spiritual-prompt-for-the-week-of-march-20th-through-march-26th-86216651cfff