[gwern]

Wouldn't be a good comparison. They specifically agree she has copyright over the whole work+arrangement, so the short as a whole is 100% copyrighted. Netflix used AI for the background images, so those are the only parts that might be public domain, but you also don't know how heavily edited or modified by hand the backgrounds are (and realistically, they probably were a lot); this would also grant a copyright (and they deny her the copyright on the grounds that all her edits to the images were trivial). So "Dog and Boy" is quite safe under their novel interpretation.