This sounds great at first. But I am really concerned about its impact on subscription services and blocking. If economics of it plays right, the apps would now

This sounds great at first. But I am really concerned about its impact on subscription services and blocking. If economics of it plays right, the apps would now have access to a confirmed unique ID for a device that would allow them to lock support of the service to not only just the number of devices(which is fine) but also the device itself. I am aware that apps can currently use multiple sources to get unique IDs like MAC and others. But they can be spoofed, this if it works would be secured from those concerns. Maybe(most probably) I am completely wrong in this line of thought. But would love to hear the thoughts of HN folks on this.