Earlier quoted context omitted.
You can find people making such claims on HN, and some of them also claim that it is based on their personal experience with GPT-4. It boggles my mind, as well.
Superiority of human intelligence must not be questioned.
I think it's more about the uniqueness of human intelligence. If you see it as a hard line that defines humans as distinct from other things, then similar behavior that is exhibited by things that are "not supposed to" have anything like it has to be explained away, somehow. Hence the Chinese room argument etc.