“That’s all they do in theory, but in fact they’re more like surrogate noble families. Where the Empire gains over the usual bloodline set-up is they use the game to recruit the cleverest, most ruthless and manipulative apices from the whole population to run the show, rather than have to marry new blood into some stagnant aristocracy and hope for the best when the genes shake out. Actually quite a neat system; the game solves a lot.
