Ubuntu's default file manager, Nautilus, features plenty of actions when dealing with file and folders, like drag&drop files from the desktop into a Nautilus window, drag&drop files and folders from one Nautilus window to another, the regular copy&paste via the mouse cursor, etc, so, basically, users have both usual and quick ways of copying/moving items with Nautilus.
Nevertheless, where there are numerous users, there are numerous tastes and preferences, approach targeted by developers who are constantly refining Nautilus' functionalities (tags, undo support, etc).