See another commenter. Somehow you can make the same answer without denigration. I don't believe in "anti-vaccine market penetration". My model I use is that

See another commenter. Somehow you can make the same answer without denigration. I don't believe in "anti-vaccine market penetration". My model I use is that ALL people are ignorant of most things that happen around them and only SOME people are knowledgeable about SOME of the things.