The moat approach to scientific authority — Beware of the guru!

Warren Buffett, perhaps the greatest investor of all times, prefers his holdings to have what he calls a `moat’; some form of protection that sets a business apart from the competition, similarly to how a moat protects a castle from intrusion.1 The economic moat should function by making it impossible for rivals and new entrants to outcompete the established one. It can be a cost advantage, a well-known brand, a cemented connection with customers, infrastructure already in place, or special know-how, possibly a patent portfolio.

If you believe in keeping science open, then you should be wary when you sense something similar happening in research. Continue reading