Picking part of a response and discarding the rest is problematical, and this shows why: The whole response, with its self-contradictions, makes it clear that

Picking part of a response and discarding the rest is problematical, and this shows why: The whole response, with its self-contradictions, makes it clear that ChatGPT does not in any sense understand the issue, despite the fact that a cherry-picked part of it is a correct argument. Here, it continued its correct argument with a passage that directly contradicted it, so there seems no reason to suppose that, if given an opportunity to edit its own response, it would pick out the good parts significantly better than chance. In fact, if this passage had been spoken by a person, we might well think he was trying to edit his initial response, and doing so pretty badly!