Maybe the author is simply does not fully appreciate the nature of those billionaires' interest.
After all, they are billionaire hedge fund managers. As in investor, when your portfolio is sufficiently large, you invest a significant fraction of it in a way that is consistent with the need to survive an improbable but highly devastating outcome.
If I had 10 billions of dollars, I might invest 8 or 9 of them optimistically or philanthropically. That doesn't mean I can't also spend the remaining dollars and a couple of days per week trying to make sure my family is ready to confront whatever improbable calamity I think they might need to face in the worst case.
Am I the only one who read that thing and thought, "both the ant and the grasshopper need to learn a bit about life balance and moderation" 'cause they were both miserable, just at different times in their life.
After all, they are billionaire hedge fund managers. As in investor, when your portfolio is sufficiently large, you invest a significant fraction of it in a way that is consistent with the need to survive an improbable but highly devastating outcome.
If I had 10 billions of dollars, I might invest 8 or 9 of them optimistically or philanthropically. That doesn't mean I can't also spend the remaining dollars and a couple of days per week trying to make sure my family is ready to confront whatever improbable calamity I think they might need to face in the worst case.