Also, If you control the AI, but there is no middle class to consume its product, everyone is poor and controlling the AI doesn’t bring that much.
There is still some products much more important and stable: food, water and therefore land control.
A couple of powerful families? Where power is transmitted from generation to generation?
I can't think of any examples either, it's a very novel concept.
Oh, wait. Romanovs. Merovingians. Carolingians. Capetiens. Bourbons. Habsburgs. Hohenzollerns. Tudors.
Extremely novel concept :-)