Related article:

http://www.nytimes.com/2014/03/09/magazine/the-story-behind-the-sat-overhaul.html
The Story Behind the SAT Overhaul
By TODD BALF
New York Times magazine
MARCH 6, 2014

...

A couple of weeks after his talk with Henderson, Coleman flew to Silicon Valley to discuss a partnership with Sal Khan. There was no discussion of financial terms, just an agreement in principle that they would join forces. (The College Board won’t pay Khan Academy.) They talked about a hypothetical test-prep experience in which students would log on to a personal dashboard, indicate that they wanted to prepare for the SAT and then work through a series of preliminary questions to demonstrate their initial skill level and identify the gaps in their knowledge. Khan said he could foresee a way to estimate the amount of time it would take to achieve certain benchmarks. “It might go something like, ‘O.K., we think you’ll be able to get to this level within the next month and this level within the next two months if you put in 30 minutes a day,’ ” he said. And he saw no reason the site couldn’t predict for anyone, anywhere the score he or she might hope to achieve with a commitment to a prescribed amount of work.

******************************************************

Some brilliant people believe that anyone could learn almost anything if they just put in enough effort, since this was true for them. It's not true for the general population.