I think willful ignorance means knowing something but killing it.That is the most inane & pretentious quote I've seen in a while.
Ignorance, ie, to not know something, is typically benign.
And to be sincere in recognizing that one doesn't know something strikes me as a positive trait.
If one needs to, one can always decide to cure this lack.
No....I'd say there's nothing more dangerous than people who are willing to abridge the rights of others, whether this is borne from misguided altruism or personal gain.
Regarding voting, knowledge is a useful thing.
But I place more importance on the morality of the person's agenda or measure.
You know something is true and right, but you will keep acting as though it isn't true or right.