Sterba libertarian critique

You have changed the goal posts by bringing up demands for justifying value.

Property rights are simply claims of what actions should be judged to be moral and immoral. Us libertarians tend to construct convoluted methodologies for arbitrating disputes over those claims but ultimately, they are simply claims. I.E., my word against yours.

Forgive me but I can not help but ask if you are serious. Re-read what you wrote: You want these guys to provide judgement about what is valuable. Nothing has to make sense to attribute value to them – we simply do!

Edited To Add:

Concerning your objection to libertarianism depending upon a moral axiom at its root, I will fefer to a previous discussion led by a libertarian which I believe we can agree is certainly superior to both of us: