As per Jason Schreier, Naughty Dog scaled back the development of The Last Of Us Multiplayer because it failed an assessment by Bungie, that it can keep players engaged in long-term questions quality & long-term viability.

Bungie making its presence felt on Playstation Studios.
As per Jason Schreier, Naughty Dog scaled back the development of The Last Of Us Multiplayer because it failed an assessment by Bungie, that it can keep players engaged in long-term questions quality & long-term viability. Bungie making its presence felt on Playstation Studios.