I don't see how you get that from what he quoted of mine then what he said.

Besides, their understanding 'tone' is not a sensible prediction, for the simple fact LLMs don't ever understand anything, whatsoever, any more than ELIZA was a psychologist. They digest and then regurgitate word sequences in complex ways ~ it's the intrinsic and sole nature of their design. We can hide that fact with layers of obfuscation or tricky ways of packaging their output, but they are what they are, and nothing more.

Like, human beings are never going to walk on the sun in our physical bodies; we are limited by our physiology, and there is no transcending it in dimensions beyond our capabilities.