The Iroquois had many of these same attributes 200 years prior to Locke and Rousseau.
Equality
Branch System of Government
Sovereignty of Member States
Citizens or Member Elders made government decisions
I agree that many of Locke’s ideas were used, but the Iroquois had the same ideas much earlier.
Rousseau's Social Contract is nearly a dead ringer for the structure of the American Government. He modeled his ideas after the Swiss who had been practicing a representative government for centuries. I'm sure the Founding Fathers had their home libraries stocked with books form European writers from modern back to ancient times.
Some colonials may have admired the natives. I'm sure a lot felt ill will toward them given the many bloody conflicts. I'm sure a lot of colonials looked down on them as savages and saw nothing of value. I'm sticking with Dead White European Males as the architects of the American Republic.