Are touch screens getting out of control?

As recently as 10 years ago, touch screens in cars were tiny — if they were there at all. Most were grudgingly added by automakers in anticipation of a U.S. mandate on backup cameras, or an early response to Elon Musk, who dropped a 17-inch monitor into a Tesla in 2012. Destinations were largely DIY, mapped on a plugged-in GPS device or chirped from an iPhone jammed in the cupholder.