Yes, but they are correct. Cannabis is a schedule 1 drug at the federal level, same as heroin.
There is nothing legally preventing the federal government from arresting everyone in every state who possesses or sells cannabis. It isn’t relevant that cannabis is legal recreationally or medically at the state level in most of the country
We’re just hoping that the federal government continues its discretionary policy of looking the other way. But, much like Roe, uncodified rights have a recent habit of disappearing overnight