Not so long ago, Mark Zuckerberg was working in overdrive to convince the world that his company was doing everything it could to protect children. In 2021, he posted a note to his personal Facebook page, writing that he had “spent a lot of time reflecting” on the types of experiences he would want his daughters, then 4 and 5 years old, to have online. “It’s very important to me that everything we build is safe and good for kids,” he wrote, emphasizing that the company absolutely does not “prior...