Of course you picked one of the top grossers that has established itself over decades, makes dozens of different car models, sells on scale and does it worldwide, and sells more than just cars. That's like telling kids that pro basketball is a good career because some of those guys make tens of millions of dollars every year.
And you're seriously comparing the cell phone market with the auto industry? The auto industry is several orders more complex than the cell phone market. Making the leap from one electronic product to another electronic product is nowhere near going from electronics to heavy, safety-critical machines which also require more electronics.
How many people will be lining up to sue Apple when anything goes wrong with the car? Plenty. Just look at how much Apple is attacked whenever a new product is launched (antennas, bending, etc.). Now tack on people complaining that an Apple car injured them. Apple will be tied up in litigation forever.