It never occurred to you to check what your rock solid foundation has to say in the matter?

That, like this, makes absolutely no sense. The article found at thelink (which I presume is yours), spells things incorrectly and gets so many other facts wrong it's flat out laughable.

...I find myself agreeing with Bill and Michael. Overwriting an item with another should move the first one to the Trash, in such a way to make this fully undoable. If the new item is copied from another volume, and space is so crowded as to make it ne...