I think the lessons are there in what Portugal has done with their insane heroin wave (it was reported that 1 entire percent of the population was reported to have an addiction to hard drugs).

The parallels in Van, SF and Portland are striking, except now it’s not Heroin it’s Fentanyl.

Here’s a good primer: https://www.cbc.ca/news2/interactives/portugal-heroin-decrim...