I understand it will seem that I am playing devil's advocate here, but the dose makes the poison. How are you to know that the folks buying the methamphetamine are not in fact experienced microdosers who are taking functional 5-10mg doses for productivity or ADD? While I have known methamphetamine users to take things too far, I've known far more heavy alcoholics who ruin their lives and their families lives dealing with them drinking each and every day. Aside from that, the government has no right to tell another man what type of substance he puts in his body unless he is doing harm to others.