In June 2020, the week after a police officer murdered George Floyd, Jeff Bezos endorsed Black Lives Matter. “I support this movement,” Bezos replied via email to a customer who’d complained about seeing a BLM banner on Amazon.com. A couple of days later, when Bezos received a fresh complaint that included a racist slur, he raised his commitment. “You’re the kind of customer I’m happy to lose,” he said. He posted the exchanges on Instagram, where each drew hundreds of thousands of likes. So it was strange that, at about the same time, store managers at Amazon-owned Whole Foods ...