Naughty Dogs are not. Let's stop the two teams working on two games fantasy. Their next single player game will come 5 yrars after Factions.The 4 big studios are all making single player, naughty dog, Santa Monica, Suckerpunch, and insomniac.
Team asobi, bluepoint, and housemarque are probably also making single player games, its not that dire yet
Bluepoint just finished GOW with SSM. The entire was busy. Expect 4 to 5 years
Santa Monica not less than 4 years.
It's that dire