Grumpy Old Geeks Topics Billionaire survival preparations Topic Billionaire survival preparations 2 mentions in 1 episode The hosts discuss reported shelters and supplies associated with several technology billionaires. Mentions 709: Grumpy Old Gardeners Aug 15, 2025 23:33 Silicon Valley billionaires promise a tech-powered utopia, but many are quietly prepping for collapse. 24:50 Peter Thiel has a New Zealand hideout. ... Sam Altman stockpiles weapons, gold, and gas masks.