Firstly, high IQ fags tend to not broadcast it because they like to hide it unless in safe company where they will let their intellect shine by discussing various things rather than comparing scores.
Secondly, some intelligent folk are thinking about something else while typing about something else, so they may make grammar or spelling mistakes.
Basically, stop trying to validate yourself. You've been watching Goodwill Hunting too many times. Learn, have fun, and work and fight for morality and a better world.