1. The same thing could've been said about the Covid-19 pandemic back in February 2020. In fact, a certain American President said as much. The fact that people are incapable of envisioning major disruptions to their lives does not prove that scientists are wrong; it's proves that humans can be blindsided by their own biases.

2. Countries don't plan their economies half a century ahead. Most struggle to plan beyond the next election cycle.