I fantasize that this has been a Dem strategy all along.. Give the Republican a false sense of confidence, even playing up the old man meme of Pres Biden (horrible debate performance). Waiting until after the RNC convention, VP selection.. and then completely change the variables at the last possible moment.
"Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt."
Sun Tzu
"Appear weak when you are strong, and strong when you are weak."
Sun Tzu
#21 Nerf's Political Razor: Never ascribe the cleverness of one side that which is adequately explained by the incompetence of both sides.
Unfortunately I agree.