It’s been a good run for the narcissists.
Over the past decade or so, a mix of shameless self-aggrandizement and self-confident charm has served certain people extraordinarily well, turning them into venture-capital darlings, licensed-merchandise magnates, Forbes cover models, social media superstars, Oprah confessors, business-conference keynoters, new-money plutocrats and, in one case, president. Elon Musk, Sam Bankman-Fried, Ye (né Kanye West), Elizabeth Holmes, Meghan...