You have touched on the real problem: Most of our digital devices have way too many attack surfaces. If you can secure a movie from being copied by the owner o

You have touched on the real problem: Most of our digital devices have way too many attack surfaces. If you can secure a movie from being copied by the owner of the device showing the movie, you can hide spyware on that device. That's OK for a usb gizmo you plug into your TV, but why would supposedly security minded enterprises accept that in their computers?