One could argue that the current legalization and decriminalization of cannabis could not have occurred without the medical marijuana forerunners in the 90s, so

One could argue that the current legalization and decriminalization of cannabis could not have occurred without the medical marijuana forerunners in the 90s, so there may be some merit to your argument. On the other hand, I suspect the simple profit motive is much stronger. Headlines like “Study suggests one glass of red wine per day reduces heart disease risk” is music to a winery’s ears.