So what? I can also open an image in Photoshop and make sure it saves out some Photoshop specific EXIF data and try to claim the image was doctored. What I can't do is go and put my deceptive altered file up in place of the original in all the places on the Internet it exists.
I had to think about it, how about if the claim were:
If you take a photograph that is misidentified as AI generated, you can “preserve the historical record“ by using this tool before publishing the image.
(Anyone know the false positive rate with watermark IDs, would’ve hoped it’s like zero)