Supposedly, Qri thought she could get by with just those two at first. You can ask them about it if you catch them in the right mood, but so far no one's gotten anything useful out of trying.

[Chaotic as the city's been, it doesn't feel like they've made any real progress since his own arrival.]

Maybe Genette really believes what's in that letter, but that's about as seriously as I take it. All the stuff about Qri being so important sounds way too convenient.