Most of this article just lists semi-advanced features that people don't know about. I think that’s Apple’s intention... Having every feature and option up in your face can reduce usability and make simple tasks harder for the average user. Apple wants a product that's easy for anyone to use and that often means keeping non-essential features out of the way. I’d be more interesting in seeing feedback for Apple on how…
The problem lies in what's semi-advanced to one is critical or basic to many others. Apple has been known to hide (aka. make subtle) basic operations. How often have you wanted to load a page in 'desktop mode' in mobile Safari? It's there, just invisibly so. The UI does not teach in the name of clean/minimal design which is Apple's way: form over function. Edit: it's the equivalent to not putting keyboard shortcut ke…
This reminds me that several versions ago, Windows stopped underlining the shortcut keys to the menu items by default --- taking away the only affordance to discovering that the keyboard can be used to more quickly activate the menus. I learned by accident long ago ("what's the Alt key for?"), and have used it since. In contrast, I remember trying to operate a Mac the same way but gave up experimenting with the Alt key and such to try to get the menus to show (I know about the shortcuts, but they are not easily discoverable/explorable in the same way that menus are) --- and only later found out that trying to operate the menus on a Mac from the keyboard is... not very intuitive and disabled by default (why!?!?):
https://superuser.com/questions/117549/use-the-keyboard-to-a...
https://superuser.com/questions/504111/how-to-select-file-me...
(I'm not sure if the above even apply to pre-OS X --- when I discovered the function of Alt and the underlined keys in Windows, it was the Windows 3.1 era.)