On Windows (and mostly in Linux too), I can navigate the entire system, application menus and UI controls without touching the mouse or trackpad, relying only on the keyboard.
It's also far more discoverable --- if you press Alt, accidentally or otherwise, the menu highlights and you can immediately use the arrow keys to navigate it. The underlined letters (sadly missing by default in later Windows versions) also make things more obvious.
In just about every other graphical file explorer I've ever used, including the DOS ones, Enter opens the selected item. In the Mac Finder, it's Command-O. Yes, I get the fact that it's mnemonic with the others in that list, but it's completely contrary to the customary and rapidly learned behaviour of navigating using the arrow keys and Enter ---which is located very close to the arrow keys, and requires only one hand to operate easily.
It's also far more discoverable --- if you press Alt, accidentally or otherwise, the menu highlights and you can immediately use the arrow keys to navigate it. The underlined letters (sadly missing by default in later Windows versions) also make things more obvious.
There's also this oddity:
https://superuser.com/questions/59007/enter-to-open-a-file-i...
In just about every other graphical file explorer I've ever used, including the DOS ones, Enter opens the selected item. In the Mac Finder, it's Command-O. Yes, I get the fact that it's mnemonic with the others in that list, but it's completely contrary to the customary and rapidly learned behaviour of navigating using the arrow keys and Enter ---which is located very close to the arrow keys, and requires only one hand to operate easily.