It explains why those with access to capital or people with capital are more likely to succeed as a result of being able to play the lottery over and over.
Google & Facebook founders did not come from a struggling American family (Sergei or Larry's family comes from the Soviet elite) and none of the "ivy league dropouts" had any pressure (twitch.tv justin's comment how he was unmotivated throughout uni) to be something their socioeconomic class determined for them.
Finally, Theranos is a clear illustration of economic lineage taking place--having a rich powerful daddy with other daddies tends to produce consistent wins, often through sheer will and structural reinforcements that inevitably sets conditions for even the most incompetent children of the elite to succeed.
It's starting to feel like, a lot of us are getting into the startup game and realizing it's just another vehicle of transferring wealth generated with your life so they can buy a horse ranch or private plane.