Go-to-market Strategies posted an article entitled The truth about selling value: you must ADD Value.
While there is much in the article with which I agree (Value is subjective; It is hard to get to value, etc), there is one key point to which I object strongly. The writer’s definition of value is "the amount of money or relative worth that is considered to be the fair equivalent for what is to be received in return." (Emphasis mine.)
This continues the thinking of business-as-zero-sum-game. The value the customer is getting should outweigh, in some cases significantly, the price that they are paying. This is the beauty and morality of the free market. Wealth is created on both sides of every transaction because they are a) mutually beneficial and b) entered into with the freedom to choose. The buyer benefits more than the price they pay and the seller benefits because they provide the good/service/knowledge for less cost than their price. Of course, this is called profit.