Apple, in a twist of fate, is in the same position that AT&T was when it started Bell Labs, and in the same place as Xerox was when it started Parc.
The history of Parc and Apple is well known, the early history of unix being a thrown out the car window by AT&T at speed to avoid more anti trust issues is often forgotten. Apples products are built on legacies. "Resting on the shoulders of giants" is probably true in this case.
Apple is now an AT&T, its now a Xerox, it is now the company that can just do R&D for the sake of doing it (as can Google and a lesser degree MS). Apple, unlike google, knows how to make a consumer product, and one of these moonshots could make it even bigger...
I wonder if in 20 years something from apples car project changes the industry in a way we never expected. Time will only tell.