The feds will still go after it as an illegal drug when presented as recreational and the will keep the stigma going on forever. Furthermore it will keep a lot of talented people out of good job opportunities for smoking a joint after work instead of having a glass of wine.
Point is it’s a stroke of a pen to change the priority… One president or one DEA switch away. The supreme court upheld Roe V Wade which was why it wasn’t important to codify it into law… until it was.