exception? I couldn't disagree more. I can think of one or two specific examples "fair" or even "useful" advertising, and that's being generous, among thousands or tens of thousands of examples. I'm not claiming I know more than the buyer or seller, I'm claiming the seller "knows" much more than the buyer, and has vastly more resources and vested interest in the transaction than the buyer (because of the scale, and the fact that people are mostly very similar to each other - economies of scale, essentially). Note I'm restricting my argument to the case of big companies selling to consumers, or big companies buying from other big companies, although the latter is comparatively less damaging to society overall, still pretty bad tho.
The seller knows how much effort/resources were put into the product, knows (or has enough resources to figure out) how to nudge/mislead the consumer, has teams of brilliant people working on that - see the ad industry. I would definitely agree that the consumer has some responsibility, too, to stay informed, and if it weren't for the fact that this causes externalities to society, I wouldn't give a crap about the fact that some corporate director was duped into buying a terrible product. Unfortunately, that causes companies that particularly good in misleading people to outcompete companies who spend their money elsewhere.
The seller knows how much effort/resources were put into the product, knows (or has enough resources to figure out) how to nudge/mislead the consumer, has teams of brilliant people working on that - see the ad industry. I would definitely agree that the consumer has some responsibility, too, to stay informed, and if it weren't for the fact that this causes externalities to society, I wouldn't give a crap about the fact that some corporate director was duped into buying a terrible product. Unfortunately, that causes companies that particularly good in misleading people to outcompete companies who spend their money elsewhere.