Why do many countries have a legal system that favours a jury over a judge to determine guilt or innocence? The answer is that humans have many times discovered the wisdom of the crowd.
In its modern form, crowdsourcing ideas has become fashionable. But written evidence for this big idea goes back a long way. In his ‘Politics’ Aristotle classifies constitutions.
So why are the many wiser than individual experts?
It turns out that they aren’t always. But they can be. The better question is when are the many wiser than individual experts?