As the world became more and more complicated and interconnected, an awful lot of people in both high and low places decided not only that they shouldn't try to keep up with the pace of change, but they didn't have to and learning about what was coming over the horizon next was unnecessary because they already knew everything there was to know. But why do people feel so self-confident and dismissive towards actual experts sounding alarms even as they see disasters unfold in real time in front of their noses? There's a psychological phenomenon that explains exactly what's happening and it's called Dunning-Kruger.