Technically speaking clean air has a price, clean air emissions policies in north america for vehicles are costing user lots of money, and were shown to improve air quality. Apparently in some larger cities in China air is so bad they have clean air stations, where you pay to breath fresh air. While other wear filtered masks, which also need to be purchased. Yes I know it was just an example, but even an example off top of our head to demonstrate something with zero scarcity, like air, is still not truly scarcity free, and has lots of hidden costs.
But even if air has a price in the form of hidden costs or just direct price for a certain volume of it, I don't see how it undermines my example or takes anything from it. My point was to show that scarcity and utility are tied in with the price of an asset (like bitcoin) or resource (like air), that the price of it closely follows the relationship between the two. Obviously, if fresh and clean air becomes a scarce resource as in polluted cities of China, it will have a price tag attached to it (though I don't really know if it is actually so).
I remember reading a story about some bar in Japan where they had been selling "clean air" (likely with an elevated level of oxygen, though). And just yesterday I heard a story, or rather an anecdote, about some Italian soccer club selling bottled air dubbed as "Spirit of the bleachers", "Essence of victory", and even "Locker-room's aroma" (or something to that tune). Was it Fiorentina?
However, this contradict the above statement.
You may want to read my
reply to that post.