A handful of states stopped putting minorities into prison for marijuana. It's hard to argue that any of the states have applied a reasonable standard of justice for anyone convicted of these crimes prior to the laws changing.
I live in a legal state, and I honestly can't imagine living someplace that still prohibits marijuana use by adults... I use edible marijuana pretty frequently while cooking and reading. As far as I can tell, it's just nice and improves my quality of life, like good food or good sex.
The very idea of criminalization is so asinine that it's hard to wrap my head around.
The map in this article is particularly illuminating: https://en.wikipedia.org/wiki/Decriminalization_of_non-medic...