Several internet safety experts said that Musk’s comments put Roth at grave risk. Roth, who is openly gay, worked past Musk’s October takeover. He then resigned and said Musk’s hands-off approach to moderation was increasing danger to users. “He’s putting Yoel’s life in danger and he knows it,” tweeted Alejandra Caraballo, an instructor at Harvard Law School. Roth did not respond to a request for comment. In imputing nefarious motives to Twitter’s former managers and saying a crime had been committed, Musk adopted techniques used by the QAnon conspiracy movement, which falsely claims that Democrats and elites are running child...