More that we've almost killed ourselves with nukes several times, its mostly coincidences and individual bravery that have prevented the end of the human race.

This isn't as wild as it sounds; he's referring to the Anthropic Principle, and it's a valid way to look at it. We are having this conversation in this context because civilization is still intact.

Yes, statistics, the study of history, reflection on logical fallacies and other pesky worldly knowledge would not work, we need to, instead, account for multiverses.