Board Thread:Episodic and Issue Discussion/@comment-4928331-20130305235618/@comment-34954086-20130307194420

All that he could see was Mount Justice. It blew up. Everything else, out of view to him or us, likely to have changed.

Because he was so close to the chronal nexus point it's not as if he can remember the changes that have actually happened, his mind is still in the previous timeline.