[avn2109]

It's worth pointing out that he says,

"And importantly, they started out doing something that any two programmers (with domain expertise in their market) could have done."

and the key part of that is the "domain expertise in their market."

Our socioeconomic system very carefully prevents most students with farming domain expertise from ever getting near the Stanford CS Dept. It seems like most of the value add here is from the domain knowledge, not from the technology.