Specifically WHY they use Apple hardware is something I can only speculate on. Presumably it's easier to launch Windows on Mac than the other way around, and they would likely need to do that as .NET and its related technologies are cross platform as of 2016. But that's a complete guess on my part.
Am *NOT* a Microsoft employee, just an MVP for Developer Technnolgies.
Consumers _do not care_ if it is the firmware or Windows.
Dell was one of the earlier brands, and biggest, to suffer these standby problems. Dell has blamed MS and MS has blamed Dell, and neither has been in any hurry to resolve the issues.
I still can't put my laptop in my backpack without shutting it down, and as a hybrid worker, having to tear down and spin up my application context every other day is not productive.