Some people, don't know enough about most everything that they don't understand what they don't know.
My nephew's wife is like that, 50 years old. She claims she is smarter than most every one and actually claimed that she could run Microsoft, but does not work. But she has a CPA do their taxes. Oh, and Covid, that is a government conspiracy. AND, LOL, she change their family doctor because he charted all of their kids as unvaccinated, for any disease. Another conspiracy theory. I'm thinking that the doctor does not want to rule out diseases that most patients have been vaccinated for. So they live in a cocoon environment.