[wimpypistol]

I was similarly surprised, but it's true. The original text is essentially the exact same (probably a 99.9% overlap) with the exception of a few spelling mistakes or grammar errors. My editing was about as much as you'd get from Microsoft Word, if that.

[jonnypotty]

So you're telling me now the big challenge for AI is no longer making sense, it's spelling and grammar? I don't get it.

[wimpypistol]

This is a word predictor fed on billions of tokens of text. Because it has been trained on human writing, it makes characteristically human mistakes (including spelling, grammar, and even some phonetic errors).