Hogging bandwidth?
"But as we move to ever-higher content resolutions and massive VR and AR games that hog bandwidth"
Why on Earth would VR and AT games hog bandwidth? The reason games are so big these days is mainly because they have lots of high resolution textures, plus lots of video and sound. VR games don't use any more of that than any other game so would not be any bigger (and most currently use rather simple, stylised graphics and are therefore smaller), while AR games usually overlay fairly sparse graphics over a live image of the real world and are therefore actually much smaller than a normal game.
To put things in context, it's just been announced that the next Call of Duty game will be a 130GB download. Pokemon Go is 74 MB. And while both will require additional data to be transferred to and from servers during use, that's not even going to be GBs since it obviously doesn't involve the big things like textures (assuming they're not totally incompetent of course, you could probably manage that if you had to download all the art every time you found a Pokemon).