In general, getting high is a maladaptive coping strategy chosen by some people, and technically it is against the Hippocratic Oath to assist giving them a chemical lobotomy.
The opioid epidemic helped erode away ethics in medicine, as many physicians partnered with drug-dealers/Sackler-family to exploit users knowing full well the "medication" had serious side-effects.
As I watch the squirrels getting high on the poisonous mushrooms, and howling at a passersby in the yard this time of year... it reminds one that the methodology of self-harm is an irrelevant detail.
Drug addicts have an endless supply of excuses why they think their behavior is justified. Indeed, there are an ecosystem of unethical people willing to help them along the wrong path.
I don't think people should go to jail for seeking an artificial cathartic experience, but rather be forced to join the Native shamans in a 2 week Datura fueled experience. However, facing insanity while hallucinating and rolling in your own excrement naked for 2 weeks is not popular for some reason... =3