I'm a big fan of MMM however a better analogy would be a disease comes through that makes all the eggs 50% smaller, or leads to 50% infertility.
MMMs analogies tend to assume you're independently financially secure, which is his whole schtick. I love it. But there are people who'll lose their jobs and house in a recession and need to draw down their stock at the worst possible time, not leave it sitting there as the analogy implies.