Tyler Cowen talks with Jared Diamond about his new book arguing that historical conditions, not individual brilliance, drive outcomes. They debate whether any leader is truly irreplaceable, the undervaluation of disaster preventers, Diamond's own replaceability as a thinker, why he's now more optimistic about the environment, and how he stays productive in his nineties.
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Diamond argues that historical conditions, not individual brilliance, determine outcomes, and that even figures like Genghis Khan were products of ripe circumstances.
Diamond highlights that 'preventers'—leaders who avert wars or disasters—are systematically undervalued because their successes are invisible, while destructive leaders often get more historical credit for visible change.
Diamond explains why he is more optimistic about environmental outcomes today than when he wrote Collapse, pointing to underappreciated positive trends.
Pressed on his own replaceability, Diamond suggests that his intellectual contributions, like Guns, Germs, and Steel, were likely products of his particular time and experiences rather than unique genius.
Diamond shares his disciplined writing and productivity practices, including a daily routine that has allowed him to produce major works into his late eighties.