Based on his argument, the human component should and rightfully be copyrightable. In this case, it's the prompt or conversation he had with the AI. That should definitely be able to be copyrightable, but I agree that the image itself should not. This is the fundamental problem with AI -- if the government isn't willing to protect it, there is fundamentally no market for it. What does that say about the value of the…
E.g. medieval craftsmen assumed that monopolies were good, but today we consider them bad.