Those who voted for Gillum only undervoted for Nelson. The Palm Beach vote counters know who they intended to vote for. Intentions are what count and not reality. ;)
One of the most common forms of election fraud is vote counters filling in the undervote because the vote counters know what is in the best interest of the voter.
But maybe that is just in IL?
The ComDems all go to the same training camp. Crooked Liars Club.