> the law of supply and demand continues to be a law

There's no such thing as "the law of supply and demand", there's the law of supply[1] and the law of demand[2]. These laws contribute to the supply and demand model[3], but you won't find "the law of supply and demand" printed in any economics textbook.

[1] https://en.wikipedia.org/wiki/Law_of_supply

[2] https://en.wikipedia.org/wiki/Law_of_demand

[3] https://en.wikipedia.org/wiki/Supply_and_demand

So, tack on an "S" and you're good! The laws of supply and demand.

It's a bit surprising that we managed to actually find some more capacity in certain areas.