"If a huge number of other smart and experienced people have been convinced by one of them ... well I'd go with that guy"
This will answer the question, "who is best at arguing their point". It does not reliably answer, "whose point is correct?"
This will answer the question, "who is best at arguing their point". It does not reliably answer, "whose point is correct?"
That's why this system relies on convincing smart, educated people and not just people in general. The need for intellectual discourse to avoid this exact problem and what that looks like is taught as part of being educated.