Many people don't like it because they're resistant to change, but the fact is that Linux is still using a directory structure long ago considered obsolete. It's very difficult to find things in the standard structure, especially for a new user, and sometimes even for a veteran. How do you know that one particular system didn't decide to put all their apps in
I fully endorse the concept of implementing GoboLinux's file structure as an option in Gentoo Linux. However, I won't be switching over to Gobo anytime soon, Portage is still best in my book.