It seems that you believe that positive law (meaning: law that you "think" is right and want to impose on others) is perfectly reasonable.
Both of our biases should not affect if the argument is valid. If I can find counter examples to that argument that simply then there is something wrong with the argument.
we're in the authoritarian/totalitarian land we live with today.
Ignoring the pejorative judgement ("authoritarian/totalitarian"), yes indeed we are in the land we live in today.
I'm not interested in an ethics system for some world that lives as a thought experiment.