Elon Musk Issues Dire Warning on Plummeting Birth Rates “If these trends continue, most countries will dwindle into insignificance. They might completely die out.” But he didn’t stop there. Musk took aim at author Paul Ehrlich, calling him a “genocidal maniac” and a “terrible human being” whose “books have done great damage to humanity.” “I think there is an argument that when a culture loses its religion, it starts to become antinatalist and decline in numbers, potentially disappear,”