Would you like to buy in a supermarket where the supermarket owner decides what you will get for your money after you made the payment? Such a supermarket would arguably not attract many customers. Yet although this is an odd allegory, a good deal of our consumption we all make in exactly this way – and we are even forced to buy! We pay taxes to the government, and afterwards politicians decide what we get for this money.
Sellers serving private customers have to deliver value for money. You won’t buy a second time in a grocery store if the food was spoi...