"Right wing" is often used as a pejorative against anybody that criticizes the establishment. People who criticize Dems from a leftist perspective are disingenuously called right wing, so the term has lost its potency. It's similar to terms like racist, sexist, Putin puppet, and so on. It's equally ridiculous that pro-Israel Dems are now considered "left wing."
I also know what I see on my own timeline, so there's no need to "pretend." Everyone's anecdotal experience is going to be different based on who they follow. As I said before, I see the same feud between MAGA and the "blue no matter who" crowd that I saw before Musk's takeover. The Twitter files also revealed how Musk's predecessors waged a censorship campaign at the behest of the Dems, so the biases are indeed comparable. Republicans also put in censorship requests, but Musk's predecessors favored the Dems.
I am by no means a fan of Musk, but as I said before, all big tech ideologues amplify their point of view. That said, the faux left is still quite vocal on X from what I've seen.