The next page in the book of AI evolution is here, powered by GPT 3.5, and I am very, nay, extremely impressed

Sure, but I suspect that the same is true of Cliff or similar human bullshitters.

That’s, at best, a proof that a human can do it (and I doubt that it’s even that, but I’ll grant that for the sake of argument). To prove that humans, plural, can do it, you would need some way to determine whether any human other than yourself can do it. Describe that method, and we can then apply the same method to the chatbots, and see if they pass the test, too.