"The points made in this piece are very good ones but it is not primarily an issue of intelligence - rather, it is mostly about one's point of reference." I do

"The points made in this piece are very good ones but it is not primarily an issue of intelligence - rather, it is mostly about one's point of reference." I don't disagree, but is that not the same sentiment of the article and the closing sentence? "People are not really stupid" suggests it's not an issue of intelligence, and I think "it is just that you know a lot more" argues your point of reference. I absolutely agree with your correction, but I assumed it was implicit.