Making Video Games Educational or Making Education like video gaming?

Ryan Bretag (Ex. Paine in SL) Points to this Slate article that is skeptical about the ability to cross the line between education and gaming. The best assertion is at the bottom - the complexities of learning that take place in some complicated video games and online worlds do not necessarily directly translate to more finite skill sets needed by workers and learners. In other words, those creating educational games are skating the surface but not really mining the potential????