You love to rub salt in the wounds, lol. Forget asking the leftists... a child could answer this question.
His presidency worked out to be a huge failure. And, he finally decided it was better to cut losses. Now there's a chance of historians sweeping him under the rug instead of remembering him as yet another incompetent life-long politician.
Much easier to throw Harris under her favorite vehicle... a school bus, where the wheels go round and round. And, if she does anything good (
that's a big if) he can ride her coattails posthumously.
No "re-imagination" necessary. It's plain as day

If I were wrong he'd have floated into a second term, duh! I wish all questions were this easy
(sorry for answering, I'm not a leftist... go ahead let the bullshit fly my way, you still know I'm 100% correct)