It is currently too hard to make video games. Making it easier to create video games will massively increase the supply of good video games and cause a gradual revolution in education.
So it makes sense that video games would be the primary educational environment of the future: they are the best way we have of (a) creating simulations of reality (b) with fast feedback loops (c) accessible at low cost.
Learning is just the act of engaging with an external thing and performing many conjecture/criticism loops, forming conclusions, and building on them to form a body of knowledge.
"Here’s the formula if you want to build a billion-dollar internet company," he said. "Take a human desire, preferably one that has been around for a really long time...Identify that desire and use modern technology to take out steps."