Is this prohibition in the same way it is delivered in the past? Existing users continue to have a legal path of purchase whilst new potential addicts don't. I don't think it'll have the same effect as you are concerned about, at least at a much reduced rate.
And just because there are other vices that are detrimental to our health doesn't mean there shouldn't be efforts to counter this one.
Is this prohibition in the same way it is delivered in the past? Existing users continue to have a legal path of purchase whilst new potential addicts don't. I don't think it'll have the same effect as you are concerned about, at least at a much reduced rate.
And just because there are other vices that are detrimental to our health doesn't mean there shouldn't be efforts to counter this one.