This is dismissing time and resources. I think things like this game maker project are extremely impressive, because it enables an individual to do in hours what it would take a team to do in months. Just '5 different cats' is impressive, because most game studios would just do one and repeat it, because their time is limited.
I don't know if this experiment will end up producing 'real' games, probably not by most people's definitions. But I can see it being used as an amazing toy by individuals, such as kids. Generating a custom game in hours, much like they can already do in months or years using other products like RPGMaker.