Pretty much, yes. Drug possession is a vice crime, drug consumption is a matter of personal health and the government has absolutely no business criminalising either. All it does is create opportunity for organised crime, much like alcohol prohibition did. I’ve answered that question extensively earlier - what a person ingests is their business so long as they do not cause harm to others while they’re doing it. Legalising drugs makes them safer for consumers since they’d be subject to the same checks as other medicines, plus it creates a new emerging market which allows former petty criminals to go clean and legally participate in the economy while simultaneously eliminating associated organised crime.
It’s none of the government’s business to legislate or criminalise what people do with their penises and vaginas, criminalised prostitution only incentivises human trafficking and other associated criminal activity. The illegal part of prostitution is the moment when money changes hands, and I don’t see a reason why that should be. Put a camera in the same room and all of a sudden it’s not prostitution, it’s pornography. Legalising prostitution allows all prostitutes to make a legal, taxable income - they’d be eligible to get a pension and make an honest living. They’d also be able to take advantage of the healthcare system more openly, without hiding their occupation from doctors, and as such get better disease screenings. Finally, it eliminates another source of income for organised criminals, putting pimps out of a job. It’s just another criminalised vice, making it illegal does more harm than good.
That takes away one of the key benefits of legalisation - a path to making an honest, legal and taxable income for those involved in the trade. There’s no government monopoly in the production of medical drugs, I see no reason why recreational drugs should work differently.