If a human purposely set the chain in motion, it's presumably the human's. If you made an AI with no intention to create literature, then its work would be unco

If a human purposely set the chain in motion, it's presumably the human's. If you made an AI with no intention to create literature, then its work would be uncopyrightable (public domain?). That's why your binaries are copyright, but the monkey's accidental photographs are not. If you write a chat bot, which interacts with (and learns with) other humans, it might be more interesting.