Here's a thought: if you don't like the way an artist offers their work for sale, and the terms under which they offer them, show an ounce of intellectual integrity and walk away.
You won't belive it but he belies that he is a Libertarian. Fox News Libertarian.
Fair warning: I manage a Cartridge World.
That's the natural evolution of things. Cartridge world provides a physical consumable. Until Star Trek style replicators come into play, there will be need for companies who provide a physical product.
For cartridges, rather until there will be need for printed piece of paper. Less and less.
Variables don't; constants aren't.
