Or worse, basically just glorified installers for games for windows live, or ubisoft's giant portal thing that you have to then run simultaneously (or in the right order) to get to the game.
Its definitely a rube goldberg machine in action.
I feel like the idea of sandboxing its progeny is going to need to look like docker or some sort of container where it appears to be a standard OS (since games use a lot of low level hacks) but is actually partitioned from the rest of the system.