Does the game invite the child or player to think about their motivations when constructing things? Does the game make them think about their emotions and what is going on in the head of other players when they are razing other players creations and how that affects gameplay? Does the game help them abstract the experiences when playing the game, show them how it relates, and ultimately help give them a better understanding to the world they live in?

I would say no to all of these, just like would say about TV. And it isn't that is important or not, it is just that it offers no fundamental difference from the media that has come before when it comes to development of the mind.