I think you make a good point. In saying the threshold is low, I am probably biased by my peer group. Although... it is so hard to separate "smartness" from "

I think you make a good point. In saying the threshold is low, I am probably biased by my peer group. Although... it is so hard to separate "smartness" from "passion". Particularly as people get older, someone who is passionate and keeps investing in themselves by learning new things will blow past someone with faster neurons that rests on their innate talents, rather than challenging themselves.