> Now, white well educated people with well-padded resumes will probably have easier access to venture capital, but that brings me to my next point.

Isn't this really the key here? I agree with your other arguments about ultimately needing to have fluid intelligence etc. But assuming two people (one white, one black) have the same amount of intelligence, smarts etc, but one raises $10 million from Sequoia and the other doesn't. That pretty much makes the difference between succeeding and failing. There are ideas which are so world-changing or brilliant that the market and VC's just can't ignore their eventual prominence (Google maybe?). There are other ideas which need lots of capital and talent injection in order to nurture them to the point where they are big.