What's wrong with a single individual presenting a well-conceived, poignant, in-vivo essay about the topic they are the best person in the world to explain? I h

What's wrong with a single individual presenting a well-conceived, poignant, in-vivo essay about the topic they are the best person in the world to explain? I have yet to meet a crowd or committee that can tell a coherent story. One-to-many speeches may be overused in education, but I think TED gets them very near exactly right.