Because Apple does not listen to its customers, but thinks that it knows better than them what they really need. From my point of view, this is a mistake. Because most likely I will give up the Macbook first, then the iPad and finally the iPhone.
Steve Jobs was never about listening to customers.
But this is not the case where each of the millions of customers wants something different. This is a case where some of the customers are happy with the change and some are not.
As is always, from Apple ][ to Mac to Motorola to PowerPC to Intel to AS.
Even if the dissatisfied part is only 10%, looking at Apple's revenues we are talking about really big money. As a shareholder, I wouldn't be thrilled.
Not really. All customers do not have the same value, and the costs of keeping those 10% may outweigh any short term benefits.
Energy efficiency is the one thing Apple keeps repeating. For some it works because they need to reassure themselves that they made the right choice. For me, it doesn't matter in the slightest.
The AS is not for you; and is for those who value battery life. For many, that is a key laptop feature.
Whether my laptop uses x or 1.5x watts is still in power saving mode anyway, because running office programs doesn't require any power. However, what matters to me is whether I can run specific programs on my laptop or not. Let's put it this way: the energy efficiency of the Toyota Prius is incomparably greater than that of the Toyota Land Cruiser. But I need 4 wheel drive.
As always, the key is to get a machine that does what you need.