Realistically, a billionaire-in-a-bunker's only choice is to 1. pick guards he likes and who like him, 2. be really nice to them, 3. make peace with becoming

Realistically, a billionaire-in-a-bunker's only choice is to 1. pick guards he likes and who like him, 2. be really nice to them, 3. make peace with becoming their peer after the apocalypse. He can probably buy survival, but he can't keep his power after the legal system (and his money) is useless. I'm guessing the required characteristics of post-apocalyptic warlord and a tech CEO have important areas of non-overlap. Zuckerberg certainly lacks the necessary charisma.