If you're wiring a home - wouldn't lay-people want it to look nice? Are these made with any way to hide them in walls, exposing a usable port (even if RJ-45?)

If you're wiring a home - wouldn't lay-people want it to look nice? Are these made with any way to hide them in walls, exposing a usable port (even if RJ-45?) Or if not - how should one think about deploying all this in a new home?