> When something happens which goes against our beliefs, rather than instinctively updating, we double down on protecting those beliefs. I don't doubt the fund

> When something happens which goes against our beliefs, rather than instinctively updating, we double down on protecting those beliefs. I don't doubt the fundamental theorem of calculus when things go wonky. In my experience, the breakdown is something like: 80% operator error; 15% moving parts; 4% hardware, especially power supplies; 1% software As far as the confirmation bias goes, I appreciate Scott Adam's two ideas: - Beware the headline that's too "on the nose": there may be propaganda afoot - Beware documentaries on any topic, as the bias is baked in and convincing