That's Captain Jerk to Neil. The guy wasn't very patient with him and became a bit patronizing during the one network conversation they've had. As for regrets? Doesn't everyone have some of those?

"I think it does, 'cause nobody's died." He paused. "As far as I know..."

That was the thing about the City. It was unpredictable and who knew what the Hell was going on, really, from one moment to the next? Neil didn't glue himself to the network, so sometimes he missed things.

"Second day? Wow. You're like... new new."