"Okay, yeah, it's nonsense if the lives aren't passed down hereditarily, but I feel like if they were those guys would have a big advantage, and probably end up leader anyway just through, like, power," says Gideon. That's basically how it works necromantically, probably. Like, the Houses are ordained by God, but they're ordained by God with the ability to explode people's brains. The whole rule over the planet thing is kinda secondary.