That's only demand. Economic value = supply / demand. Do you value air? It's worthless. I wouldn't buy a litre of air for even a penny. But put me at the bot

That's only demand. Economic value = supply / demand. Do you value air? It's worthless. I wouldn't buy a litre of air for even a penny. But put me at the bottom of the sea, out of oxygen (i.e. no supply), and I'd give you everything I have for it.