The question is: Does Joe do what is best for the Democrat party or what is best for Joe Biden personally.
History will show this is a no-brainer.
He has never “done the right thing”, ever. Now he has everything to lose and nothing to gain by dropping out.
And the answer is… even Senile Joe knows Democrats use and discard people - unless they stay in power. It will take 25A action to remove the Zombie.