AIPAC is going to vaporize her. The Saudi oil lobbies are going to vaporize her. The Chinese tech lobbies are going to vaporize her.
That all means that they'll prop Biden up in the chair to receive the nomination even if he suffers a massive stroke and is on a ventilator at the time. If she somehow got the nomination after a brutal and bloody brokered convention, all those lobbies would throw their considerable weight behind Trump's re-election.