It may be that the Dems ran the same cherry-picked stacks of ballots through tabulators, repeatedly, without removing Trump votes.
The Dems may have favored the stacks which favored Biden, so both Biden’s & Trump’s totals multiplied in unison, but Biden’s total multiplied quicker than Trump’s due to the fact Trump had fewer votes in their cherry-picked duplicate stacks.
After duplicating both Biden and Trump ballots, Dems then used their Trump duplicates to dismiss all their cheats by arguing, “Well, Trump had duplicates, too, so we can’t say who the cheaters really are! Durrrr…!”
It may be that the Dems ran the same cherry-picked stacks of ballots through tabulators, repeatedly, without removing Trump votes.
The Dems may have favored the stacks which favored Biden, so both Biden’s & Trump’s totals multiplied in unison, but Biden’s total multiplied quicker than Trump’s due to the fact Trump had fewer votes in their cherry-picked duplicate stacks.