You're describing Parasocial interaction: https://en.wikipedia.org/wiki/Parasocial_interaction

far from being impossible, it's the entire influencer economy. This form of social media has been extremely widespread for a decade or so running; it's probably the dominant form of social media.

100% agree. Maximizing intimacy and scaling distribution pull in opposite directions. We’re experimenting with keeping the “character” consistent while letting personalization live in private memory and user-controlled settings. Still early, and this tension is real.