"business/founder types also have a total lack of understanding of what it takes to get a startup off the ground"
I would not totally disagree with this. But here's the thing: no-one really does. It's extremely difficult. If many people did know, it wouldn't be as lucrative. Being the boss is by far the hardest position in the whole endeavor.
The irony is, I guess, that most people involved in a startup don't know what it takes to actually get it off the ground, because the formula they've been sold doesn't really actually work, and they don't have the business (or technical!) savvy to correct course.