It seems that the FAA (and Garmin) does not agree with you:
* https://www.youtube.com/watch?v=A8o0Nk8E0S4 * https://www.youtube.com/watch?v=OnuRFAAKdfg
I like Dynon's systems a bit more, as they have a few physical buttons to allow one to go to certain top-level / important parts of the menu system in a jiffy:
* https://www.youtube.com/watch?v=xjADTgwCtUU