That is only true for one-shot applications, though, whether written by human or machine. The reason we care about code quality is because rarely we don't have to look at code again after we first wrote it. Poor code quality makes maintenance and extension more difficult and expensive -- again, regardless of the degree of LLM support.

At least for human-written code, there's usually a thought and concept to be discovered underneath. For LLMs, one-shotting is all they know, and getting them to consider months or years of expanding and changing requirements will quickly turn into an impossible game of Twister.