Nobody put a gun to Biden's head and said "you HAVE to run for a 2nd term." Saying "I'm not seeking the nomination" and having a real primary WAS an option. So when he falls on his face and hands you Trump/Project 2025/a fascist dictatorship, the blame is gonna lie in one place... Joe Biden.
If you want the job buddy, that means doing the job, and that means meeting voters - even the ones who are outrageously mad at you for carrying water for Israel's ongoing genocide in Gaza.