Just finished Salvager, I really enjoyed it. SPOILER is it too tin foil to think it's connected to the Tao books? Stay with me, but it could but the Genjix got far enough along that they were able to terraform Earth, and it either went wrong and destroyed the planet, or it went right and this is the result. Either way, it seems like the aftermath could be the Earth Plague. I'll go sit back down now.
They technically could. That's all I'm going to say. =)