This seems to be troll thinking of the day - conceding. My guess is DS believes this would satisfy some legal threshold. You are not alone in bringing this here, I’ve seen other trolls just like mockingbirds spreading it elsewhere too.
"All right, you caught us committing unspeakable levels of voter fraud, enough to destroy the very institution of voting."
"We'll have Biden confess to some minor cheating -- without his knowledge, and he keeps the White House. Deal?"