The 3D view is a marketing gimmick and maybe something to show off to your passengers. You've for a massive screen, so you can't just leave it empty, the owners would realize it's a gimmick.

In practice many drivers seem to be dealing fine with the touch screen because they've stopped paying attention to the road, trusting their car to keep distance and pay attention for them. Plus, most of the touch screen controls aren't strictly necessary while driving, they mostly control luxury features that you could set up after pulling over.