Since almost nothing needs to be lawful, or logical or even real in our technocratic culture, and most of the information the public digests is only a series of scripted illusions designed to control the masses, you might consider the possibility that Judge Sullivan has been trapped by his own corrupt past, and his fraudulent role as a US District Court Judge for the District of Columbia is now over. Perhaps he is now only playing a different role and serving different masters.
Certainly if the entire country can change its election procedures and allow mail in ballots because of muh Corona virus, then the election challenge can delay the Electoral College because of selfsame muh Corona virus.