Unless he reverses it, it is. I know plenty of Trump supporters who are planning and investing on the legal MJ market. If they lose their stakes, they also lose their economic reasons to back MAGA.
It's a multi-billion dollar industry. It's not about hippies. It's about fighting opioid abuse and other health issues, as well as free enterprise. It's also about supporting rural areas that have been neglected for two decades.
Only if he pulls it off.
Actually, the old EO effectively ending Prohibition gives me hope. It's essentially claiming an economic reason for doing so, and establishes the legal background for ending cannabis prohibition.
IF he did this, and effectively legalized cannabis nationwide, he would destroy the current monopoly on legal weed in the Western states. The ones who are depending upon legal weed taxes to prop up their sagging state budgets.
But it only works if he pulls it off.