On Nov. 15, Musk wrote on X, “You have said the actual truth,” replying to someone on X who evoked the white-nationalist Great Replacement conspiracy theory that Jewish communities “have been pushing the exact kind of dialectical hatred against whites that they claim to want people to stop using against them.” At the New York Times’ DealBook conference two weeks later, Musk accused advertisers who pulled ads from X over his remark of “blackmail.” “If somebody’s going to try to blackmail me with advertising? Blackmail me with money? Go fuck yourself. Go. Fuck. Yourself. Is that clear?” Musk said. He...