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.
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.
1. VCs, who refuse to adequately capitalize their portfolio companies.
2. The cultural environment that encourages this approach.
3. The founders, for their lack of business sense and willingness neither to bootstrap nor demand adequate startup capital.
4. The employees, for going along with it.