To be fair: a voice, personality, and personal history sounds a lot like training data.

I don't think LLMs are people in any sense, at least as they're constructed now -- but they very much have what we would call "culture" and "personality" in suitably alien forms.

This is not the same as, e.g., feelings, experience, or humanity, or actual opinions or ideas (versus essentially "distilled vibes") and I feel that AI will more and more force us to confront that (including if new AIs are ever developed that may have the latter, as well!)