I think Apple has come to the conclusion that operating systems have become incredibly complex and that the average user experience can be greatly enhanced by hiding that complexity.
I completely agree with you. As an IT Technician, I see so many users having to figure out things that they shouldn't even need to know exist, to do their work. I think the iPad software keeping it simple is a great idea, and using the app store to install apps is much easier to understand than the current methods of installation used by Mac OS X and Windows.
The reason why so many people are complaining about it on