OK, so it's The New Republic, so anything to the right of Marxism is going to be labeled "far-right." Elon Musk, who just posted Sunday that "I voted 100% Dem until a few years ago," has purchased X and made it into a safe space for "far-right" conspiracy theories.
What has The New Republic so upset is one conspiracy theory — the great replacement — about which Musk tweeted a video. Here's that video again in case you missed it: