As an engineering manager myself I concur with all the points. Some of them are difficult though, for example: “optimize the dual objectives of delivering value to the organization and giving individuals problems that build their skillset, impact, satisfaction, …” and “ Managers with excellent execution skills and deep domain knowledge must resist the urge to present solutions to their reports.” To what extent should…
There's a huge difference between asking questions about an approach and prescribing an approach or saying "Nope that's not the right way" and there's a ton of room there to avoid the really suboptimal stuff.