I haven't been Gladwelled as I avoid the guy and this is my own opinion formed from being around a fair number of very smart people over the course of my life.

I haven't been Gladwelled as I avoid the guy and this is my own opinion formed from being around a fair number of very smart people over the course of my life. In my opinion, IQ matters to a point, "good-enough" if you want to call it that, and then other personality factors or strengths and weaknesses take over.