He got subsidies to build Starlink and then handed the DoD and intelligence agencies the keys to it. Public Internet access is just a mask to cover this new “Skynet” government tracking and data collection system.
If you look at MOST American billionaires today, they essentially become that way with government help.
May that be government subsidies, massive government contracts, government protectionism... Musk, Gates, Buffet, Soros, Bezos, Zuckerberg, Bourla... All of them have one hand in a government cookie jar.
Government (in some form) has become the primary way billionaires get crowned in America.