I would say only smart people can get things so wrong. Experts are those who can dig the deepest, even if it's in the wrong direction, like psychologists before

I would say only smart people can get things so wrong. Experts are those who can dig the deepest, even if it's in the wrong direction, like psychologists before neurosciences, astronomers before telescopes, etc. To get the wrongest ideas, you need to ask an expert.