There are 4 levels of competence. For all the people who know they are incompetence and therefore abstain from voting there are a lot of people (possibly more) that don't know their incompetence and decide to vote regardless. If you're not voting because you're uninformed, you're probably much more informed than many of the people who are voting.
> don't know their incompetence and decide to vote regardless
That's a very wrong way to understand what democracy means. If you're incompetent, you are still afforded a vote. And you sleep on the bed you make.
and in any case, the incompetence voter implies that they could be voting "wrong". This is a deep and insidious implication because implying something can be wrong also implies the other "competent" voters are "right". The very notion that one side is "right" is very anti-democratic.
