Don't get region blindness, here. Also, never forget the power of open source and self hosting. If a model like Stadia works for other, there's no reason not to put it work for yourself.

I can already stream my Windows gaming container on my KVM Linux host with VFIO to my smartphone with BT connected controller. I could also do the same with just a RasPi running the SteamLink service. This isn't new or novel (I remember Stadia's concept being done multiple times before), but it is possible.

The only real danger to this is proprietary platform dependence. More people being able to game when and where they want isn't bad, but we can't rely on Valve forever to make sure there's not another GFWL-type uprising.