Reading the words of the decision is not a matter of "faith". Your opinion may be that it is wrongheaded, but that doesn't make it so.
The plain words of the decision DO relate to "natural born citizenship". To claim otherwise it to be in denial. It's nonsense.
The court had to determine Wong's citizenship status by virtue of his birth. In doing so, they examined the whole question of citizenship at birth, in great detail. It goes for pages. The one passage I quoted directly speaks to natural born citizenship.
Natural born citizenship is MORE than the citizenship at birth you describe, it is citizenship by NATURE and not by mere statute. For you to ignore this is to be in denial.