Scenes from a City That Only Hands Out Tickets for Using Fentanyl
nytimes.com
nytimes.com
Sure, a person imprisoned for drug-use may be "out of sight, out of mind", but--even ignoring ethical/moral issues--the raw financial cost of that incarceration is still there, and could be might higher than whatever was being spent before in trash-removal or patrols or whatever.
The sad thing is that you can make all the piecewise-correct A/B choices yet still end up having destroyed your city.
Yes, giving someone a ticket for using drugs and offering them treatment instead of locking them up might be temporarily more productive / more sensible. Yes, maybe it makes sense to put more resources to mental health.
Yet one day, you wake up and your city is unlivable and your block is terrorized by drug addicts.
Somehow, people forgot that once in a while there is a legitimate role for hard authority to punish people for doing things you don't want them to do. Lest your society go down some lawless path which step by step looked like the kind and charitable course to follow.