I imagine the better/next one would be build around an AI that learns from users in order to answer to users, all through a chat-like interface. No up/downvote

I imagine the better/next one would be build around an AI that learns from users in order to answer to users, all through a chat-like interface. No up/downvote or moderation needed, the AI determines by interacting with the users what is useful and correct, and what is not.