The total ignorance would not be nearly so dark a thing, if it were not also WILLFUL total ignorance. There is such a thing as never have been apprised of the existence of a body of knowledge, and then there is knowing the body of knowledge exists, but refusing to examine it in any way, shape, form or manner.
They think remaining innocent about guns is virtuous. Their entire lives revolve around proclaiming their virtue, and looking down on others.
Before we had all these terminology fetishes, when I was growing up, we just called them “assholes” and left it at that.