I knew an early dev at DoorDash, and he hated that policy. That said, I personally agree with that approach. It's the practical vs academic argument: the ideal

I knew an early dev at DoorDash, and he hated that policy. That said, I personally agree with that approach. It's the practical vs academic argument: the ideal is both. Anecdotally, the most productive dev on my team was hired from a customer of ours where he personally used and integrated with our software.