Two things: (1) If countries with depletion-style tax bases (Norway's sovereign wealth fund, Chilean copper royalties, Singapore's land-value capture, British Columbia's carbon tax) systematically showed worse long-run inclusive-wealth growth than peers that tax labour and capital, the criterion fails. (2) If shadow-price uncertainty turned out to flip the sign of ΔW_ext — not just its magnitude — for most policy-relevant activities, the criterion would lose its claim to sign objectivity. Current World Bank Changing Wealth of Nations data runs the other way: the listed countries outperform on inclusive wealth per capita. The prediction is testable and the dataset is public.