Why do stupid people think they are smart

One day in 1995, a man robbed two Pittsburgh banks in broad daylight. He didn’t wear a mask or any sort of disguise. And he smiled at surveillance cameras before walking out of each bank. Of-course the police found the robber and later than night arrested him. Interestingly enough, when the robber was handcuffed, he was puzzled and he mumbled “but I wore the juice”. Apparently, this bank robber thought that smearing lemon juice on his face, would render him invisible to bank’s security cameras. And he didn’t just think that, he was pretty confident about it. His rationale was that…