I was told the 12 steps would cure my addiction. Why did I end up feeling more broken?

In this quasi-religious programme, working the steps' is the remedy for any problem, but for me the cracks soon started to show

Eight of us sat together in a circle in a wooden shed, an outbuilding at a large country house, somewhere in the south of England. The door was ajar, and spring light flooded the room. Can anyone name any treatment methods for addiction, other than the 12 steps?" asked a counsellor.

Cognitive behavioural therapy?" offered a patient.