That was actually my point - either they don't want it done, or can't figure out a way to do it in a consumer-friendly way (read: without wrecking the battery).

That was actually my point - either they don't want it done, or can't figure out a way to do it in a consumer-friendly way (read: without wrecking the battery). Apple gets to go first thanks to private APIs, and they haven't done this yet.