You're assuming levels of clean abstraction that not only are not guaranteed to rxist, but foolhardy to assume. It is better to leave options open rather than

You're assuming levels of clean abstraction that not only are not guaranteed to rxist, but foolhardy to assume. It is better to leave options open rather than to lock things behing explicit configuration in the abscence of readily available documentation. Which I assure you, Service/Operators manuals are not.