I can see you point, and if you research the Portugal approach, when they invested in emotional treatment for drug addicts and reintegration with family, while providing some drugs and drug replacements in a safe environment, their numbers dropped significantly, much faster than doing a war on drugs. As they addressed the problem, the feelings of displacement in people who do drugs.

https://www.governmentevents.co.uk/learning-from-portugals-health-based-approach-to-drug-and-substance-misuse/