Not only is it religious, its not founded in any empiricism or medical study. Here's a decent article laying out the critiques, the opening paragraph is what everyone should keep in mind: https://www.theatlantic.com/health/archive/2014/03/the-surpr...

> Say you’ve been diagnosed with a serious, life-altering illness or psychological condition. In lieu of medication, psychotherapy, or a combination thereof, your doctor prescribes nightly meetings with a group of similarly afflicted individuals, and a set of 12 non-medical guidelines for recovery, half of which require direct appeals to God. What would you do?