https://www.vice.com/en_us/article/m7ge4v/why-are-elon-musk-and-marc-andreesen-obsessed-with-birth-rates

Last Wednesday, venture capitalist Marc Andreesen went on the Joe Rogan Experience for a wide-ranging conversation that eventually landed on the latest billionaire obsession: birth rates.

“Right now there's a movement afoot among the elites in our country that basically says anybody having kids is a bad idea, including having elites have kids is a bad idea because of climate,” Andreesen told Rogan, who cut in to say Elon Musk doesn’t believe in that. “Exactly, Elon has been surfacing this very issue in a very useful way.”