In his book The Hidden Persuaders, Vance Packard made this point: “We still have a strong defence available against such [hidden] persuaders: we can choose not to be persuaded.
Vance Packard tegi oma raamatus ” The Hidden Persuaders ” järgmise tähelepaneku: ” Meil on siiski selliste [salajaste] keelitajate vastu olemas tugev kaitse: me lihtsalt ei lase ennast veenda.