Their problem is that they're ill-equipped to make the judgments necessary to solve half the problem. They know business and acquisition structures and legal pitfalls, but in order to really get signal on the judgment of people-- I'm ignoring the judgment of ideas because I don't think anyone has that down-- they need to hire someone like me to vet technical choices, talent strategy, culture, etc. because an iPhone app is not going to give them that kind of data.
How do you find that kind of person if you're not that kind of person? I think it's almost impossible. How are they going to tell the people like me from the many who claim they are? Likewise, I'd be incapable of vetting them for whether they're good at their jobs for the exact same reason. I'm not superior to them in any way; we just excel at different things and it's very hard for one side to judge the other.
Perhaps the best way to start a venture fund is to have the selection made not by permanent VCs judging "the team" but by top-notch programmers who do the vetting part-time (no more than 10 hours per week). That way, they don't lose their technical touch and can tell based on technical choices whether a company has a future. (How would a VC know that a company running a typical enterprise Java stack is doomed? It's not his job.)
By the way, the reason VC-istan sucks is not that VCs are evil or stupid people, because they're not. It's that humans are bad judges of character and VCs are no exception. When you can't judge expertise (and they can't evaluate technical expertise) you miss out on the associated proof-of-work and default to social polish, which means that you're going from a slightly positive correlation to what really matters (character) to a slightly negative one. VC-istan generates some awful startups, but not because VCs are bad people.