She is the poster child for the Dunning-Kruger effect; the less you know, the more you think you know.
Never heard of it until you told me. Amazing how I learn something new every day on FR (I guess I didn't know everything---- until this morning.)
I think that is the term to apply to the people in the story The Marching Morons by C.M. Kornbluth.
Due to low intelligence people having lots of offspring and high intelligence people marrying late and having 1 or 2 children tops, the people have become to stupid they need the intelligent ones to take care of them.
Example: cars have altered speedomoters to show high speeds so the dumb people will say "Wheeee! I'm really going fast now!" Actual speed is 15 mph or something.
Author Frederik Pohl said it was based on bad science. Not sure it isn't happening now.