I did a rough calculation, and far less than 1% of high school graduates in the US will be introduced to quotient groups at any point. While you might be in the middle majority of the people you interact with every day, you are quite elite compared to the general population, and in no way in any 'middle majority', and if anything you are doing what I was suggesting is necessary to appreciate these topics. If you enjoy reading popularizations on top of that, that's great!