Then again, my mentor who is at least one standard deviation higher seemed to have had few troubles socially.
High IQ doesn't make you have low EQ. Some people have both high or both low or one of each.
But even so, they are hugely limited in determining many very important qualities. Like social skills.
It's just another number we can calculate that happens to be relatively fixed by genetics and has some predictive power. But so is your height, and nobody raves about that.
So in short:
1. You don't have to be a math genius but you still can have a high IQ (this is why most standardized/Mensa IQ tests are centered around pattern recognition == "how well you are equipped to correctly figure something out")
2. Many terrible socially awkward people have extremely high IQs, but this doesn't have to be a prerequisite as such.
I have always had a problem assuming everyone else gets what I am trying to imply, even with shorter sentences - but over the 26 years of my life I learned that was not true at all.
So essentially my learning of "why do I suck at socialising" had always been linked to learning "what are people not aware of", rather than somehow being "socially incapable".