I worked my way through college as a mover (and came out the other side with high 5-figure debt). Many of the older guys I worked with had drug habits. I worked 16-hour days with those guys. They'd get on me for not running up stairs, for packing with too little paper around glass, for setting things down more than once. None wrote articles entitled "How to Work Hard." None knew Warren Buffet as a child (see Gates).…
> All their founders came from schools with less than 10% acceptance rates. This says they were overachievers in prior pursuits too. Universities may not do a perfect job of it, but their admissions is primarily based on merit. In fact the kind of person that will make a big impact on society is precisely what they look for in addition to grades and test scores. Perhaps they are just pretty good at it.
I'm guessing zip code predicts "overachiever-dom" depressingly well. I'm also guessing it's not everything, life is noisy.