Was affected. He somehow affected most of Manhattan. By pulling them physically into the void.

Are they all dead? Are they all lost in some weird alternate memory dimension of torment? Is he a mass murderer or just some kind of psychic sorcerer? It doesn't occur to him that he didn't see any void or shadows or anything outside in the city, that no one has him locked up until he lets the rest of the city go, and so it's likely that everything turned out fine. He's too busy spiralling.

He does look up, through some dangling curls, when she tells him to, but it's clear he's panicking, in a quiet fashion.