Since the quantity of dollars is controlled by government and central bank policy—not by market forces—the dollar is an unstable and unreliable unit of account. In economic terms, it’s a poor measuring stick because its supply is constantly being manipulated, which causes distortions in price signals. When the unit itself is in flux, you can’t trust the measurements it gives you.
For more accurate and objective economic calculations, it makes more sense to use fixed-supply units—like percent changes or Satoshis—which remain consistent over time. These don’t fluctuate in quantity; only their market valuation in dollars moves, based on subjective perception. That makes them more scientifically sound for analysis and decision-making, especially in a system that values organic, decentralized order over centralized intervention.