sago hits the nail on the head to answer the "why". When the People have any sort of influence at all, everything becomes politicized, and those who don't want

sago hits the nail on the head to answer the "why". When the People have any sort of influence at all, everything becomes politicized, and those who don't want the system to crumble insist that all voters be educated in an ever-increasing set of things in order to vote sanely about them. To question the need to learn a particular thing that's already been politicized like evolution is to question democracy itself.