I agree with you, and my point was that the list I replied to is not well put-together since we must remove the fifth requirement, that the manufacturer should

I agree with you, and my point was that the list I replied to is not well put-together since we must remove the fifth requirement, that the manufacturer should not administer the device. Yes, they should. (Chromecast being an example.) so we're saying the same thing - it's just in conflict with the suggestion that manufacturers shouldn't administer devices remotely.