This view of advertising is demolished by JK Galbraith in The New Industrial State, which I thought you were reading?
Oliver Stutchbury, who built Save & Prosper in the Sixties and Seventies (and also wrote tomes on the use of principle, unit trust management and capital taxes) kept the entire UK Tax code in his little room. He told me it was quite a strain to read them. You can't be me, I'm taken