A folder is the visual representation of a directory. A reasonable desktop GUI exposes the underlying files & directories as file icons and directory windows. If your abstraction leaks, that's a bug in your code, not something to beat the other guy up with. It is quite possible to be both a Linux dork and a classic Mac dork.
First shalt thou take out the Holy Filter. Then shalt thou Internet four porn, no more, no less. Four shall be the number thou shalt porn, and the porn of the Internet shall be four. Five shalt thou not porn, neither Internet thou three porn, excepting that thou then proceed to four. Six is right out. Once the number four, being the relationship of porn to the Internet, be reached, then lobbest thou thy Holy Hand Grenade of Antioch towards thy foe, who, being naughty in My sight, shall wank off.