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Keeps the police and military obedient though. You spend decades drilling democracy into them at school, you want to make sure you can convince them you still have 'the consent of the governed', or they're going to depose you and hold elections.

I see what you mean now. It's basically a mind trick which keeps us believing we are part of an enormous group who all want the same thing. While we uphold this belief we will uphold the status quo.