> Ask a doctor and they would probably agree that, for a particular patient, having access to legal safe alternatives is a good thing. But ask them about drugs as a whole, for the entire population, and the answer will always be "less is better but zero is best."

I guess doctors would say the same about alcohol. However, I would prefer to have my glass of beer once or twice a month and I don't want to go to jail for it, thank you very much.