There is a rumor going around politics mavens that Biden wants Harris to lose. The following is from a Steve Hayward Power Line column, he attributes it to an unnamed former colleague and longtime friend.
There’s only one thing worse than seeing your enemy win, and that’s to see the people your thought were your friends and political comrades-in-arms win after they betrayed you and stabbed you in the back.
Remember what Joe was caught saying into a hot mike with regard to Hunter’s legal issues? “Nobody f*c*s with a Biden.” I have no doubt he meant every word of it.
It certainly explains his recent surprise appearance at a KJP press briefing where he bragged about how closely Harris was involved in his policies. He really undercuts her promises to "turn the page" on the present Biden-led situation nobody much loves.