I know two people who initially raved about their running programs and ended up quitting because it was destroying their knees and hips. Their problem: they thought they could run on hard surfaces and have no problems. Humans are meant to run on soft surfaces and not concrete or asphalt.
Marijuana can not mend smashed knees.
Nevertheless, it ought to be beneath the dignity of the State to regulate common weeds, except where they are an agricultural nuisance, like Russian thistle or knapweed.
Cannabis is not such a weed, and if it was, there are already such laws protecting farming and the environment.
The War on Pot makes the government look absurd - perhaps that’s a good thing!