That's a fine success rate for any addiction for any treatment. You can go down multiple paths multiple times before things start to stick. You also have harm

That's a fine success rate for any addiction for any treatment. You can go down multiple paths multiple times before things start to stick. You also have harm minimisation to think about. How many celebs who go to 'rehab' with the best money can buy then relapse? You don't just write off their rehab, you get them to go again or they might try something different.