Yes, the GP is a more recent advancement. Before that, you had to set the hardware for turning off. There was a brief moment when the hardware was advanced eno

Yes, the GP is a more recent advancement. Before that, you had to set the hardware for turning off. There was a brief moment when the hardware was advanced enough to reach a safe configuration by itself, and the software was not advanced enough to need to synchronize state with everything. But maybe there's a lesson there, and the software should be able to shut itself down in a couple of seconds in the background, just like the hardware did.