Why is it not the same for promoting? I think you mean prompting. Commissioning an artist in the context you're thinking of implies a written contract, signed

Why is it not the same for promoting? I think you mean prompting. Commissioning an artist in the context you're thinking of implies a written contract, signed by both parties [0]. This is the first reason where it isn't the same, and I believe is enough to consider new laws in the situation. Even if the new law just codifies the process you're thinking of, it's better to get ahead of the situation, or else we make a mess of things like DMCA, etc. 0 - https://www.copyright.gov/circs/circ30.pdf https://www.copyright.gov/circs/circ30.pdf