then why not do it with the most costly and harmful drug of all? Alcohol. Or, use the billions spent vainly on fighting drugs on something that actually is effective and worthwhile.
Though I guess a thrid option is just keep doing the same thing over and over again while hoping something gets better.
Wait. Isn't that called insanity?
http://www.usnews.com/news/articles/2016-11-18/to-fight-addiction-and-abuse-surgeon-general-report-cites-stricter-alcohol-laws