"All of them give a decent answer, with the ability to ask follow ups."

Am I wrong in saying that the centralized models can make better suggested follow-up questions because they can track and rank the same or similar lines of questioning that have occurred with other users in the past? So instead of getting PageRank to rank web pages, you get AnswerRank to rank follow-up questions?

... actually, I am right, it's The Conversation Graph that's underappreciated. See here: https://share.gemini.google/6fKIzyxuI0Bb