"Well, if it was so obvious, why is Apple continually breaking new ground?"
Herds.
More specifically group thinking and risk aversion. I can't say I really admire Steve Jobs but what I completely believe was that Steve's willingness to say "my way or the highway" on very very risky decisions and directions is the entire source of Apples "innovation."
This trial, and the documentation around the web about prior art, brought that into absolutely stark relief. I claim that any competent design and engineering group that was asked to make a 'smartphone' with the requirements Steve laid out for it, would have come up with something very much like the iPhone. However, there was no CEO in the world except Steve who had the balls to invest the company into those requirements.
Look at Tesla (the car company) and Elon Musk. GM could have made the car that Tesla built on the assembly line they used to build the EV1 but they didn't have the balls to commit to it. If you watch the Bloomberg video [1] it is absolutely clear that one of two things was going to happen, either Tesla was going to ship a car, or Elon was going to go broke. And in being so committed to his own vision of what needed to be done, he dragged a bunch of naysayers along.
Palm had proven people would buy a PDA with 'apps' and carry it around. RIM had proven that people would pay to have a phone they could send and receive email from. None of the 'big' players (Sony, Ericsson, Nokia, RIM, Palm) was ready to commit to making a phone where "phoneness" was a peer of "PDAness." So there were tenative steps pushed out there that were evolutionary on the existing products. A blackberry with some Palm features, Sony's phone with the touch screen, all that stuff you see that existed prior to the iPhone.
And one of the things you get when you are tentative, is timidity. A general sense that this can't possibly work, or that the chance of it working is really low. And people trying to protect their careers or their reputations won't say "We do it this way or else." They are not fearless. And for good reason, they've got kids that will go to college, spouses who expect steady employment, a 401k, a retirement plan. It is a really really hard conversation to have with your boss to say "I want to spend $100M on developing a product that you have to take my word for it will be awesome." The answer is, almost always, "Why the f*ck should I do that?"
But Steve (and through him Apple) did just that. Just like Musk put into production a $100,000 all electric sports car.
And when Apple proved that it wasn't a stupid idea to make a portable computer that made phone calls, the rest of the world was now free to act without fear that the idea was stupid, after all Apple made it work right? And sticking as close to the Apple 'formula' as possible was the safe bet.
That is why I don't think Apple will do it again, I don't think Tim Cook is able to make that kind of leap. Elon can, but he's already running two other companies.
[1] http://www.bloomberg.com/video/73460184-elon-musk-profiled-b...