Earlier quoted context omitted.
their core product is advertising; and all these other services exist to augment such. google's leadership is quite clearly on their A game.
You're right. If the future of computing is Apple's locked down iPad and iPhone platforms, Google will lose big time. Google therefore needs to prevent that future from happening.
This is why I love not being in Silicon Valley. Anyone who thinks the iPad/iPhone is the future of computing is either mad, or in silicon valley.