In my case, I heard about a man with an IQ of 350+, but for some reason he left the country in an unknown direction with his wife and children. Lived like an ordinary person, did not stand out in any way, worked at an ordinary job, I don’t remember which one, but definitely not a teacher, It was a manual profession.
The problem with MENSA is that you’re dealing with intelligent people who have no better claim to intelligence than being in MENSA.