> If you absolutely need to know if an image is AI generated, you can just have a central authority in the system watch the person draw the picture on a piece of paper. Or drive to your house and hand you the paper and pencil and watch you draw it in person. There are workflows or system designs that absolutely can and will solve for human-verified creation, they just might be incredibly costly or unscalable compared to existing solutions. It's all just tradeoffs. Might make existing business models no longer work. Might open new ones.

This is pretty much my point. Like you said, incredibly costly and unscalable. A non-solution! We're better off not pretending we can compute what is and isn't real.