I strongly suspect that the minute the Biden team is given access to agencies for transition, they will find mismanagement and even criminality. As such I believe Trump et al are contesting the vote to clean house as best as they can. That’s it.
That’s why I say this is not a coup. The corruption and mismanagement was not exclusive to Trump. Rather, he created an environment for his subordinates to do the same.
My guess is that Mitch has given them till the vote is certified. At this point I would guess Trump, who hates losing, may even consider resigning before the vote is certified.
This whole thing just seems like an effort to delay the inevitable.