The horse/car example isn't really about going faster. It's an example of hitting the limit of a certain technology, saying any further improvements are "impos

The horse/car example isn't really about going faster. It's an example of hitting the limit of a certain technology, saying any further improvements are "impossible", while not recognizing that a "better horse" might just not be a horse at all. It's not a metaphor for faster project delivery, but a meaningful technological difference that someone may not be able to see.