> We asked it to rewrite the whole thing, and with no further instructions
They simply asked the model to rewrite the code without suggesting anything to the model which counters your creativity argument, which I see many people make too, but which I believe is not correct anymore. Models IME already are creative in ways I personally find it difficult to compete with. I still occasionally find something that the model in the first iteration would not to but the model is already far superior with its capabilities than I am.