Most people who want medical weed want it for getting stoned.
The medical properties can be extracted from it - research is being done - so it can help with medical issues without taking peoples’ ability to think rationally or have functioning nervous systems away.
I doubt you can give evidence for "most"; I'm sure some do. Some acquire painkillers for getting stoned ... should we ban those?
The medical properties can be extracted from it - research is being done
What should sick people do in the meantime: wait and suffer?