[RAM-bunctious]

I'm not saying your comment is without merit, but regardless of how talented or analytical one is, language use is something of a subconscious process and it takes mental effort to consciously tailor it. Maybe not to the same degree as fixing bad handwriting, but it's the same idea.

It also takes emotional regulation to refrain from correcting someone's factual errors. While someone with higher intelligence may be better at understanding and analysing emotions theoretically, this doesn't always translate into practical emotional management skills.