Players characters evading direct questions

[Keltest]

News to me. But WotC has retconned so much I can't keep up interest in all the word salad they vomit across the monster manuals. Did they change mind flayer stuff yet again? No, don't bother. I don't care.

Its not like a species wide thing, but within individual hives the Elder Brain is the controlling personality, and all the Illithids are linked to it, and via it to each other.