It’s not nearly as hard as with guns. Again look at TV tax enforcement in the UK.
Just get some drones with IR turrets on them. Sure, you can’t get everyone but if you make an example out of those you can get the rest will fall into line.
Think of how leaf and yard waste burning has been restricted. And that was done without using drones.
We might have to start playing Rednecks and drones at that point. :-)