In the 1980s, as at the turn of the century, the same thing can be said. Indeed, the view that advertising works and that it doesn't work may be expressed by the same person. A copywriter at one of the ten largest ad agencies wondered out loud, when I spoke to him, if advertising really sells products:
Then the same man, in the same interview, noted that Procter and Gamble spends enormous sums on advertising and that "they have research up the ass to show it works. They know their ads work." Well, does she or doesn't she?