the hazards of taking such drugs without medical supervision.
Yeah, it's my opinion that though such hazards exist they do not excuse the War on Some Drugs in any way, shape, or form. Arguing that I might possibly abuse some drug and suffer thereby? We know that Prohibition does not work; why keep trying it?
there have been people who have suffered permanent psychological damage from taking psychedelics.
Look at the toll taken by our highways lately? This statement of yours here is not a reason. The fraction of people who will abuse drugs and hurt themselves is negligible compared to the risks we all endure every day as a matter of course. And the potential benefit is extraordinary.