[OWK]

But what is the basis of these "rights"?

They are rationally demonstrable objects of self-interest.

[Belial]

They are rationally demonstrable objects of self-interest.

Well, therein lies the disagreement. You idealistically believe that one set of rights leads to the advancement of all.

A nice idea, but it's contradicted by historical experience. It has the undertones of a believer-turned-atheist looking for a new moral compass.