I have been trying to think of a slightly different analogy, but it hasn't come to mind yet. Andrew is certainly a prolific interviewer, but I see him as more of an explorer looking for the essence of entrepreneurship through people's stories of success and failure.
Once Andrew finishes his run of interviews (hopefully he has a long way to go), he will have developed one of the most comprehensive catalogs of tech entrepreneurship of the web 2.0 era.