Should the re-count delay the vote tally beyond the date that is constitutionally specified for certification, the state legislature is empowered to assign the state's electors to whichever candidate they wish.
Recall that, in 2000, the Florida legislature was preparing to do their constitutional duty when the SCOTUS decision that essentially ended Gore v Bush came down.
Then the Rats can default to the "selected, not elected" meme. Rats can't win this. All they can do is delegitimize.
The last thing they want is for the recounts to proceed quickly and smoothly, with the same result as before. They want for either the courts or the legislatures to step in.