What I "heard" in the original statement is something implied - something deeper (my hearing may be wrong) To say "we don't need more ignorant uninformed votes" when the only thing you know about a voter is who / what they voted for (not the _why_), while also saying there is a way to vote that will "help our society", then you are implicitly judging the voter as ignorant based on your thought of the "informed" vote. If they vote because they like their hair and that is what matters to the voter, that's the voter's choice.
The comment in my opinion went deeper than "we should better inform voters" and into judgment territory based on my reading. If that was a bad read, then I've wasted my characters and your time and for that I apologize!
TLDR: don't stop anyone from voting, but also don't pressure them into voting.
OP didn't say anything about agreeing with their positions. I honestly don't see what your "wow" is about - do you believe that it would be helpful to society to have poorly-informed people casting votes?