Less Wrong is brainworms, as are the effective altruism and longtermism movements. US tech industry oligarchs like Musk, Thiel, and SBF (as you mentioned) are closely associated with these movements. Look into Less Wrong’s Eliezer Yudkowsky. Podcasts Tech Won’t Save Us, This Machine Kills, and Team Human have covered these movements, their movers, and their associated tech billionaires extensively. Some are grifters like SBF, and some are outright fascists like Thiel.