Original sentence: In the hands of others, however, the arbitrariness of the quest, the MacGuffin character of its objects, and the thin plot devices used to make its accomplishment difficult, make the quest motif one of the more obvious and less satisfying devices in fiction.This has not prevented the quest device from being used in a thousand derivative role-playing games and computer role-playing games and works of mass market fantasy fiction
Edited sentence: In the hands of lesser artists, unfortunately, the arbitrariness of the quest, the MacGuffin character of its objects, and the thin plot devices used to make its accomplishment difficult, make the quest motif one of the more obvious and least satisfying devices in fiction.This has unfortunately not prevented the quest device from being used in a thousand derivative role-playing games and computer role-playing games and works of mass market fantasy fiction