Once again Ong takes whatever he hears that sounds fun as being true.

https://www.snopes.com/fact-check/wi...s-than-voters/

State of Wisconsin had 3,684,726 active registered voters on November 1, 2020.

On a related note, I would be careful not to assume any illegal votes are necessarily (or only) going to the eventual winner, even if there were a substantial number of them (which I would have to see the evidence for to believe).