Yes that's correct.
I doubt @BasS used a single prompt, and if there was a process of iteration and selection of what they liked then it is copyrightable.
Well clearly you care a little bit, you made a whole incorrect post about it!
First time poster because I feel like I finally have something I know about and useful to share. Software developer (25 years) and lawyer (bar in California) here. I also give expert witness in software copyright cases.
US Copyright guidance and...