This is not that different from the people who are told to post on Insta and FB after they've received a service: styling at a hair salon, nails, makeup; it's n

This is not that different from the people who are told to post on Insta and FB after they've received a service: styling at a hair salon, nails, makeup; it's not even that far from posting on their own accord after they've been to a restaurant or concert. The meaningful difference is in the former case, the revealed preferences are swayed by the exchange of money and may not authentically reflect the person's true opinion, whereas in the latter case the revealed preferences are swayed solely by social convention (and may not authentically reflect the person's true opinion).