Earlier quoted context omitted.
Please don't start randomly prohibiting things because you dis-approve of those things. We have, at this point, over a 100 years of evidence showing that prohibition of psychoactive substances (alcohol, cannabis, cocaine, etc) doesn't actually do much to reduce consumption but do create an immense amount of suffering not just for anyone participating in the trade or consumption of those substances, but also anyone re…
"tax and regulate" isn't immune from second-order effects either. Set the tax high enough and you'll get smuggling gangs with all the same tendencies.
Look at the alcohol market in the U.S.
Or even the tightly controlled Systembolaget [0] in Sweden, compared to the modern markets for cannabis and cocaine.
Tax and regulate lowers violence and increases tax revenue, outright prohibition/making it illegal increases violence and lowers tax revenue.
I do believe "sin prohibition" policies, for not just drugs but gambling, prostitution, etc, are one example of "low-hanging fruit", where there is a noticeably better option that is usually not implemented.
Really, for all trades usually controlled by violent criminals (so everything the Mafia/Yakuza/crime groups traditionally specialize in), I believe that the citizens of a given state will be happier if the trade is controlled by the state and not given over to criminals, which is functionally what "make it illegal" does.