you can't trust its explanations as to what it has just done.
I might have had a lucky guess, but this was basically my assumption. You can't ask LLMs how they work and get an answer coming from an internal understanding of themselves, because they have no 'internal' experience.
Unless you make a scanner like the one in the study, non-verbal processing is as much of a black box to their 'output voice' as it is to us.
If you agree that bad ideas can be part of cultures (large or small) to a higher or lesser degree, it follows that some cultures have a higher frequency of people with the need for the individual 'education' you're suggesting.