His point was to choose projects more worth doing, that is with a higher expected return, INSTEAD of trying to pinch pennies to get a return from a less useful/valuable product. Or at least that's the way I read that section.
"To my mind, the question that’s much more important than how to control a software project is, why on earth are we doing so many projects that deliver such marginal value?"
I was really hoping for more insights to this in the second half, but they never came.