You could say the same about LEGO, and the LEGO movie did great. In many ways Minecraft is just video game LEGO. Battleship is a board game some people like or at least know but that's about it.

Minecraft on the other hand has a giant fan base that loves it and will buy anything related to it. Just look at all the merchandise that's started coming out over the last few years and now is everywhere. It's basically Angry Birds 2.0, just 10 times bigger, and Angry Birds it's still making tons of cash.

Minecraft is huge right now, there's a lot of money to be made by someone who knows how to properly milk it for all it's worth and has no problem with doing so.

ohhh, the movie is about making minecraft, like the movie about facebook.

Also, the movie could be about teens who play networked and develop relationships in-game and out of the game.