That's probably why she isn't engaging in the "should we replace Biden" question.
If you don't believe Biden will step down, then your only hope is to push forward despite him. And if he does step down, then you can always back the new candidate later.
But AOC isn't fighting for Biden. If Trump gets in power she'll probably be thrown in jail.
I don't care who she's fighting for.
That's probably why she isn't engaging in the "should we replace Biden" question.
If you don't believe Biden will step down, then your only hope is to push forward despite him. And if he does step down, then you can always back the new candidate later.