Jared Diamond, PhD, is a professor, scientist, historian, and author of several books, including “Guns, Germs, and Steel,” “Collapse,” and “Why Is Sex Fun?” His latest book, “Profits, Prophets, Coaches, and Kings,” is available now.www.harpercollins.com/products/profits-prophets-coaches-and-kings-jared-diamondwww.jareddiamond.org Perplexity: Download the app or ask Perplexity anything at…