"We're working on it," it's meant to be reassuring, to let Kaitlyn know that people aren't just sitting idly by. She won't give any indication to who 'we' is, even if asked.

"It makes me worry if something might be happening to cause so many new arrivals, but hopefully it settles down soon." One of her theories about this place is that there's some sort of barrier between different universes, and she's worried that the more people who come through, the weaker that barrier will get.