GMO is not the same thing at all.
When one is vaccinated, it stops there. A person who doesn't get a vaccination cannot be affected by your choice.
When one plants GMOs capable of reproducing and releasing pollen, their plants contaminate any other plants around that are able to cross pollinate with the GMOs. Once in the environment, its too late. And then the mega-corporation has a lock on any previously natural plants in the area because they now contain their patented genes. Not only that, but people who don't want or need that patented gene in their plants will have to take special measures to prevent it. In other words, GMO's contaminate the environment yet it's everybody else's responsibility to avoid the contamination if they want to live free of it. The GMO laws are a completely bassackwards legal construct that's being foisted on a mostly unwilling population.
Its not just about MJ, all agriculture are in play..