No man has a natural right to rule other men other than via the consent of the governed for a limited time in a limited capacity as part of a limited government of enumerated powers.
We do little as far as pomp and circumstance and call our leader “Mr. President” not “Your Highness” “Your Worship” “Your Eminence” “Your boot-licking servant would hope you would condescend to notice his boot licking.”
This phrase describes monarchy much beter than what we have.
With every social order there is a proper way of addressing people. Monarchy is no exception. You are right, indeed, that since most monarchies lasted many centuries, they have a certain crusty old fashioned ways. Similar ceremonial rules exist in most religions, the Masonic Lodge, and I assure you the protocol at the White House is not limited to "Mr. President". That is a minor detail, and not a lack of freedom.