At this point, I’m going to say the obvious agenda is not to make a half demented 76 year old man who didn’t even run a campaign president.
This whole dog and pony show serves one grand purpose for them, and that purpose is, the narrative “Biden won, Trump stole it from Biden, he's the evil double nazi fascist dictator we told you he was, so now it's okay to attack him and anyone who ever supported him.”
Trump will take this to court and win, because they blatantly cheated and they won't even try to fight it. Then once Trump is confirmed, they'll wail to the heavens about how the evil orange nazi stole the election from democracy, and all the good people of the world have to fight back.
It all adds up. They never 'wanted' Joe to win. They wanted their excuse to whip all the antifa into a frenzy, because the White Nationalists never took the bait
They even brag out loud what their actual goal is. Death to America, kill all white people, burn all the churches down, fuck Jesus if he was alive we'd kill him again. They don't try to hide what they really are. Does a Joe Biden presidency really help achieve any of that? No. The president isn't a dictator, they're a figurehead with some executive paperwork authority. There is a limit to how far they can take their ambitions while acting within the system. Joe Biden losing the presidency, in some grand display of 'fascist dictatorship,' gives them the excuse to stop acting in the system entirely. That excuse for a color revolution is what they're really after. This was never about Joe.