There's a lot of merit in what the author calls "argument by the stick", arguments in which convincing the other guy is not the primary goal. If you argue with someone in public , as in most online arguments, simply making your opponent look stupid can make the onlookers more likely to agree with you. I've seen this happen in creationism/evolution debates: the only way to win a debate with a creationist is by trounci…
As for the "advertising immunization shots" the author of the article talks about, the authors experience is beautiful confirmation of what C.S. Lewis writes in the first few chapters of "The Abolition of Man".