Is the Social Contract a Myth Created to Defend Taxation?

The idea that a person is under some contractual obligation to some other person merely for having been born into a certain social framework is an ancient myth which has been used to defend all types of hereditary systems. Slaves were born slaves, serfs were born serfs, and kings were born to rule.

This line of thinking was the norm in the olden days. Hereditary contract were considered legally binding.

Today we know better, we think, yet we are still taught in school that the so called Social Contract gives the state the right to confiscate an arbitrary share of our income and property for no other reason than that we have been born into a world ruled by a political elite.

Could it be that the Social Contract, although just as much a legal myth as slave contracts and hereditary serfdom, has been kept alive purely to defend the legality of taxation?

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By Albrecht Dürer - Collection privee, Public Domain, Link