His performance gives the AI generated text a surprising amount meaning. It seems similar to the partial intelligibility that happens when two languages are right at the border between dialects that can understand each other and languages that can no longer understand each other. A good example of that for English is this[1] professor talking about the history of the Scots[2] language
in Scots. It has the same quality where it sounds like it
should be understandable, but isn't.
[1] https://www.youtube.com/watch?v=cENbkHS3mnY
[2] Scots derives from Old English parallel to Modern English (and the Scottish Modern English dialect, which is much closer to Modern English than Scots).