Josiah knew well the failings of the commune, he mentioned how the 'law of diversity' was directly its undoing in regards to New Harmony.

Its like he was forseeing the rise of subjective value in the capital economy, yet he continued to live within the labor theory of value.

He said the formation of society was the first fatal mistake. Of this I would agree. One of the primary norms for Ancaps is to not aggress against people or their property.

To really understand individual sovereignty is to understand no group or social construct has any more authority than a individual.

Society or whatever social construct that arises typically attempts to ignore individual sovereignty. In the end these social constructs have no reason to recognize individual liberty if it conflicts with the desires of the construct.