I'm amazed that anyone thinks this is surprising. The biggest differentiator in terms of games' perceived quality is the quantity and overall 'slickness' of the

I'm amazed that anyone thinks this is surprising. The biggest differentiator in terms of games' perceived quality is the quantity and overall 'slickness' of their content - artwork, characters, backgrounds, copy.... Of course developers are going to take the shortcut to add more high quality content to their games.