[CPOSharky]

..."It seems to defy all logic that someone would travel to the polls on election day and not vote...

Was there only one position on the ballot? More likely, people just didn't vote on that position but had other things they did want to vote on.

[So Cal Rocket]

It was a special election to fill a vacant seat... it was the only thing on the ballot.

[lifelong_republican]

Undervote rates are known to soar with implementations of the electronic systems, which not only lose votes but also switch and fake them.