Interesting how many people jumped on my avatar in terms of alcohol, so I will not quote anyone in particular. I'm well aware of the down-side of alcoholism, over-indulgence, etc. ... so get over it. Plus, there are also numerous studies to show that alcohol -- in moderation -- is a good thing, just as MJ has some fairly-well-proven benefits for those who have specific medical needs.
Two points: One, alcohol is legal in all jurisdictions, MJ is not. We tried Prohibition ... remember? Disastrous. (Even those who pay no attention to history -- most people -- should at least know that.) Alcoholic DUI is illegal, and, IMO, insufficiently punished when it happens, especially when other people are injured.
See ... I think ALL mood/mind altering drugs should be legalized, regulated and taxed … just like alcohol. But that should go hand in hand with severe penalties for (1) forcing or sneaking your cravings/addictions onto anyone else, and (2) bad things that you do when you’re under the influence.
If all these substances are regulated and taxed, then illegal vendors would be put out of business, or at least sharply curtailed. Ask any cop how much crime is tied to drug trafficking. And we’d have the resources to treat the idiot users who end up crashing into our health-care system. And, yes, I'm aware that I could be included if I over-indulge in alcohol. Fortunately, especially here in Idaho, we "beverage" drinkers pay a major financial price for our "sin."
Am I really serious? You bet. Decisions have consequences, and bad decisions generally have bad consequences. “Doing drugs” is one of the really bad decisions that people make. The sooner users get help and get clean, or pass from the scene (yes, DIE), the better … since they are a drag on society.