First, it's not an all-in-one integrated unit, which I was talking about in my upthread discussion. Second, it's "simple" for you, but my use case is not yours: it involves very young children and very old adults who don't want to use or don't know how to use this interface. Third, it relies on a WiFi connection that isn't as reliable as the gigabit Ethernet connection that I wired my house with.

I'm sure your solution works fine for you. But be careful in projecting your use case to everyone's. :)