Oh that's very frustrating -- the article linked does not discuss that the survey is of drug users, it just says "of people" which seemed to imply that 30% of t

Oh that's very frustrating -- the article linked does not discuss that the survey is of drug users, it just says "of people" which seemed to imply that 30% of the population was using drugs for this purpose, which seems plainly ridiculous. And then it's a self selecting, anonymous survey, which makes it quite unreliable. > In a survey of tens of thousands of people I would have much preferred "tens of thousands of self-reported drug users..."