Good points... these things do profoundly affect people other than the addicts, it is not just a personal problem. I don't even know how addictive some of these things are. Like LSD, for example, how bad is that?
I wonder: how many people have seen real, live, honest to God, hard core drug addiction and still argue to legalize most or all drugs?
Open question: If you had a spouse, parent, or loved one who died or whose life was ruined or profoundly harmed because of your or their drug addiction, do you still think most drugs should be legal?
Where do you draw the line? I've personally had my life profoundly affected by smoking and alcohol --- which are legal -- but while I dislike these things strongly, I am not sure making them illegal is the solution at all.
However, the status quo is not working very well, either. Are addicts just going to happen, no matter what we do, and are we kidding ourselves that legalizing or illegalizing will even make a difference?
(Yeah, I need to read the studies, I know, I know...)