"Perfect market" is a technical term meaning one where "buyers and sellers are so numerous and well informed that monopoly is absent and market prices cannot be

"Perfect market" is a technical term meaning one where "buyers and sellers are so numerous and well informed that monopoly is absent and market prices cannot be manipulated". A perfect market would not help this problem. The notion that perfect realizations of Econ 101 concepts would produce outcomes everybody likes it both wrong and quasi-religious. It's like saying, "The perfect knife would never cut a human." Nope. If anything, the whole purpose of advertising is to create market distortions. Look at Coke vs Pepsi, for example. Billions are spent yearly to manipulate consumers to make choices that differ from whatever the natural marketplace outcome would be.