Why wouldn't they? They have the hardware to do so.
The only games I don't see it running at 60 FPS is multiplayer modes because in competitive gaming, the mainstay of consoles has always been that it's a level playing field hardware-wise. It's one of the biggest reasons I stopped competitive gaming on PC, because with players on the same skill level as me I would lose way more often to because they had better hardware and could run higher FPS.