Leroy taco wrote: I heard the CG's are evil and torture the gems they have harvested when Steven's not around. And that Garnet grinds them up so they can eat them while laughing maniacally. Reliable source
I heard that theory too. That the CG are as bad if not worse than Homeworld, but that is the reason why they can't forgive themselves. Fighting and violence and war is probably a norm in gem culture.
I heard a theory that Rose was the one behind the cluster as she and yd worked out a plan: the HG would leave and in return they could use the earth for experimenting.