This seems like a good opportunity to post the GATE threads here. tl;dr: 8pol figured out that people who were in advanced education shared an unusual amount of traits and life experiences.
Thread I: https:// archive.is/qQkpC
Thread II: https:// archive.is/wced0
Thread III: https:// archive.is/d0pID
Thread IV: https:// archive.is/nNVa3
Thread V: https:// archive.is/WWpf9