You have to remember that science journals are the Bible of the evolutionist. Whenever an idea is written there it is treated as fact by the evolutionist.
I think this commentary speaks loudly the current disposition of many people. To answer Percy's question, one has to first come to realize what they actually 'know' about evolution and what they were taught to know about evolution. Showing that millions of people have total belief in Darwin's version of evolution has no backbone, just as for the atheist that millions of people could believe in a Higher Power means nothing.
How much investigation does the average student give in ascertaining the veractiy of such claims? Not many. Who would challenge it? On what merits would they question it in the first place? In fact, I think it would be a safe assumption to presuppose that it wasn't until creationism reared its face on the scene that the laymen really took up arms in understanding their own beliefs about biology.
"There is not in all America a more dangerous trait than the deification of mere smartness unaccompanied by any sense of moral responsibility." -Theodore Roosevelt