That may be true, but the last piece is genuinely different. If he was a fraud as a candidate, then he was a fraud in a situation where there was no legitimate

That may be true, but the last piece is genuinely different. If he was a fraud as a candidate, then he was a fraud in a situation where there was no legitimate substitute. Few voters have changed their minds; the aftermath of 2020 has been a digging-in of heels in a culture-war, not a "We've been had!" moment.