Modern society is large and complex, with institutions wielding great power over the lives of many. This is why Johnson and Fowler added a dire parting shot in their predictions. Since you are programmed to become increasingly overconfident the less you understand about any given scenario, you can expect to find the most destructive overconfidence in places that are exceedingly complicated and unpredictable.
David McRaney
brain, the-mind, unpredictability