"The crowd-man can, when his fiction is challenged, save himself from spiritual bankruptcy, preserve his defenses, keep his crowd from going to pieces, only by a demur. Anyone who challenges the crowd's fictions must be ruled out of court. He must not be permitted to speak. As a witness to contrary values, his testimony must be discounted. The worth of his evidence must be discredited by belittling the disturbing witness. 'He is a bad man; the crowd must not listen to him.' His motives must be evil; he is `bought up'; he is an immoral character; he tells lies; he is insincere or he 'has not the courage to take a stand' or 'there is nothing new in what he says.'"Ibsen's 'Enemy of the People,' illustrates this point very well. The crowd votes that Doctor Stockman may not speak about the baths, the real point at issue. Indeed, the mayor takes the floor and officially announces that the doctor's statement that the water is bad is 'unreliable and exaggerated.' Then the president of the Householders' Association makes an address accusing the doctor of secretly 'aiming at revolution.' When finally Doctor Stockman speaks and tells his fellow citizens the real meaning of their conduct, and utters a few plain truths about 'the compact majority,' the crowd saves its face, not by proving the doctor false, but by howling him down, voting him an 'enemy of the people,' and throwing stones through the window."”
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Bernays, Edward. Crystallizing Public Opinion (pp. 101-102). Kindle Edition. (Bold emphasis added.)
Edward Louis Bernays (... November 22, 1891 − March 9, 1995) was an Austrian-American pioneer in the field of public relations and propaganda, referred to in his obituary as "the father of public relations".[3] Bernays was named one of the 100 most influential Americans of the 20th century by Life.[4] He was the subject of a full-length biography by Larry Tye called The Father of Spin (1999) and later an award-winning 2002 documentary for the BBC by Adam Curtis called The Century of the Self. https://en.wikipedia.org/wiki/Edward_Bernays