The value of fast wakeup is real. But manufacturers and OS vendors need to actually get their act together and implement this, not fake it in a way that passes reviews but is actually damaging to hardware in the real world.
Exactly. It's entirely possible to implement fast wakeups, but it requires thoughtful design. Smartphone go to sleep opportunistically whenever you shutdown the screen. Even an Intel CPU could probably do this in less than 500ms (and that is a boatload of cycles).
