I have news for you, friend - Apple doesn't care how you do it. They care about how most people are going to do it, and in Apple's eyes that involves gestures. Sorry, but that's the cold fact. =/
Apple is changing how they approach computing. They are unifying the visual experience between all of their devices as well as how you interact with them. "Legacy" doesn't mix well with Apple, which means users either adapt to the new way of doing things or simply move on to a new platform. You're even seeing this change with Microsoft and Windows, where Windows 8 will adopt a touch-first UI that will span across their phone and xbox products as well.
Computers are changing, and that's a good thing. It's time to start realizing that or get left behind.
Good point. You would have been more accurate to write "I have news for you friend - Apple doesn't care how you do it. They care about the newbies, teen-age girls and tablet users for whom Lion is written for."
On the other hand you can leave off with the change or get left behind stuff. That really sounds like Apple worship, whatever-Steve-says-must-be-correct, fanboy stuff. I say learn to think for yourself and operate your computer your way.