Third time in two days and apparently there is no way to quit the game without shutting down the Xbox One. I dont get it.
Did you try saying "Xbox, go home"? I hate that not being able to quit and needing to shut down the system. That's what I was having to constantly do with my launch day Wii U before it broke, every time I had to do it, it made me nervous. After a few hardware failures of my own, I always watch my new console super closely and treat them super gingerly, like an egg. It's just a habit of mine.
I believe Xbox, Go Home just brings pulls up the dashboard.