As for Rachael, don't be fooled by her meticulous demeanor. Her political acumen is even worse than Lan Lin'Er's. She's just a girl who grew up in a tribe, what kind of groundbreaking wisdom can you expect from her?
Letting her continue to come up with ideas would turn this world into a place rife with religion once again, leading to various heresies, divine rights, and conflicts among believers—a plethora of religious nonsense.
Her best outcome is to become a henchman, the kind that just needs to be pointed in a direction to attack, and she enjoys not having to use her brain, only needing to think about how to eliminate entire families.
