Not a big halo guy, but Halo back to the roots is something many people call and i'm sure a "soft reboot" would bring new and old fans.
I mean, fable lore is just too damn big!! Make things simple again, make people think "it's a new Halo, i can start here and i don't need to play any of the other games or read the huge lore".
Prediction: In 5 years Nintendo will Lauch a "Core Mario game" very similar to Astro Bot. That said, many will Ignore Astro Bot existence and say Nintendo created this concept.