>PS: Imprisoning people for smoking pot isn't a good example here because it goes through the normal criminal system. In the 60's and 70's in the US it was not

>PS: Imprisoning people for smoking pot isn't a good example here because it goes through the normal criminal system. In the 60's and 70's in the US it was not uncommon for parents to have their children committed to asylums because they were high on marijuana (it was called "reefer madness" after all). And even today recreational use of marijuana is considered a mental illness according the the DSM-5.