We don't have many known quantities to work with, at this point, and Rose and Psyche are probably two of the ones we know best, so I don't disagree with you on them.

[For all they don't know...those two have, at least, been active enough for them to have a better idea of what they might be setting themselves up for.]

I sure as hell know if I could, I would've. But they may have some advantage to keeping him around that we haven't spotted...or if he's working with another, they're not interested in an act of war that blatant, maybe? Hard to say until we know more.