Humans are not computers. Humans are not a service. In the end, all laws are made up rules and can absolutely be written to have different outcomes and restrictions based on if a human is doing something or if a program is doing it.
Why this distinction only for intellectual work?
An Eames chair is, we just have a really high bar for what is copyrightable in the physical world, and it seems pointlessly discriminatory.
there are also fan remakes of movies like this one. https://www.imdb.com/title/tt3528906/
I'm not a lawyer but this does seem like they're wholesale copying ideas.
But I do know someone definitely paid for the textbooks I used when learning in school.