Doing work for a client seems on its face a straightforward transaction. The client says what they want, and the professional they’ve hired performs the work. If there’s a snag in the plans, most people will grumble at a plumber, carpenter, or architect — but ultimately it’s hard to argue with “your 6′ bathtub will not fit in a 5′ area” or “do you really want a 6′ square living room?”. In game design, the rules lawyers intervene. And then it just gets ugly.