"Gen Z, defined as the 72 million people born between 1997 and 2012" https://ourworldindata.org/gra... shows between 130 and 140 million birth per year.. It's a bit closer to 2 billion than 72 million over that period.

While there is no evidence to your statement, i, as an individual, would trust Elon more than Donald. Disclaimer, of course i have signal, for years.