When Candace Owens, the far-right political commentator, parted ways with conservative media company the Daily Wire in late March, the news unleashed something strange on the internet. Factions emerged to yell at each other about theology, censorship, and bigotry. Extremists chatted with establishment right-wingers in audio chatrooms on social media. Content creators wrote blog posts and produced YouTube videos with their take on one particular phrase: “Christ Is King.” That phrase gripped the right for days, leaving movement leaders struggling with layers of infighting that proved difficult to parse for all but the most egregiously online people. It was also,...