One never knows if the car coming towards you has a driver who is high on the drug.
As far as the prison argument is concerned, I don't care. I didn't tell the stupes to use the drug and am not interested in having my tax money pay for treatments that may or may not work.
This boils down to the fact that these people have cast aside their personal responsibility.
We all have free-will. As individuals we make choices to be either use something that messes up the brain and the health or to not. If one makes the first choice, that is not my responsibility to pat that individual on the head and say, "Gee! That's ok."
If that is hard, then so-be-it.
As far as the government and marijuana growers and sellers are concerned, it is the money.
“Insanity is doing the same thing over and over and expecting a different result.”
The case for the insanity of the policy is simple: 40+ years of it hasn’t worked.
Continuing with it at this point is an emotional decision. That’s what liberals do - ignore the consequences of destructive and expensive policy because the policy feels good.