WhiteX, you've missed the point.
Tesla is of such a size and stature that suppliers are lining up to be a part of the NEXT BIG THING.* Elon needed to have his procurement buyers validating these suppliers, years ago, but it didn't happen, or there was some issue, or who knows.
While nice, aerospace grade (and costs) are NOT required for the center stack of the Model S or X, just automotive grade, to the higher standards required for equipment in the sun, in the center stack, perhaps in a black-on-black Model X, on a planet with ever increasing temperatures . . . .
*Why? Because ICE brands are dead men walking--they just pretend to not know it yet. Think Kodak, Nokia, Palm, etc.