Isn't the interior already cheap as shit? Anyways, everyone I know who wanted a Tesla wouldn't even take one for free now, due to Musk's enormous mouth and ego.
Needs real buttons. Giant screen looks futuristic, but when the driver needs to navigate an on screen menu, that's too much time with your focus off the road.
Chevy really nails car interiors. They have knobs and buttons for anything you'd want to mess with while driving, and then have a touch screen for stuff like GPS.