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Mark Hoofnagle on climate change denial

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From The Guardian

At denialism blog we have identified five routine tactics that should set your pseudo-science alarm bells ringing. Spotting them doesn’t guarantee an argument is incorrect – you can argue for true things badly – but when these are the arguments you hear, be on your guard.

• First is the assertion of a conspiracy to suppress the truth. This conspiracy invariably fails to address or explain the data or observation but only generates more unexplained questions.

But let us think about such conspiracies for a moment. Do they stand up to even a cursory evaluation? Is it really possible to make thousands of scientists, from over 100 countries, and every national academy of every country toe the same line, falsify data, and suppress this alleged dissent? I certainly didn’t get the memo. At the heart of all denialism are these absurd conspiracy theories that require a superhuman level of control of individuals that simply defies reality.

• The second tactic is selectivity, or cherry-picking the data. Creationists classically would quote scientists out of context to suggest they disagreed with evolution. Global warming denialists similarly engage in this tactic, harping on about long discredited theories and the medieval warming period ad nauseum. But these instances are too numerous and tedious to go into in depth.

• Instead, let’s talk about the third tactic, the use of fake experts, where both creationists and global warming denialists truly shine. Creationists have their Dissent from Darwin list of questionable provenance. Similarly, global warming denialist extraordinaire has his list of climate scientists who disagree with global warming.

But don’t look too close! Lots of his big names are the same hacks who used to deny that cigarettes cause cancer for the tobacco companies, others are scientists who are wrongly included because they said something that was quoted out of context, others simply have no credibility as experts on climate like TV weathermen. But the desire of denialists to gain legitimacy by the numbers of scientists (or whoever they can find with letters after their name) used remains despite their contempt for the science they disagree with.

• The fourth tactic – moving goalposts or impossible expectations – is the tendency to refuse to accept when denialists’ challenges to the science have been addressed. Instead, they just come up with new challenges for you to prove before they say they’ll believe the theory. Worse, they just repeat their challenges over and over again ad nauseum.

This may be their most frustrating tactic because every time you think you’ve satisfied a challenge, they just invent a new one. The joke in evolutionary biology is that every time you find a transitional fossil all you do is create two new gaps on the fossil record, one on either side of the discovery. Similarly with global warming denialism, there is no end to the challenges that denialists claim they need to have satisfied before they’ll come on board.

It’s important to recognise that you shouldn’t play their game. They’ll never be satisfied because they simply don’t want to believe the science – for ideological reasons. In the US, global warming denialism usually stems from free-market fundamentalism that is terrified of regulation and any suggestion there should be control of business.

• Finally, the fifth tactic is the catch-all of logical fallacies. You know you’ve heard them. Al Gore is fat! His house uses lots of energy! Evolutionary biologists are mean! God of the gaps, reasoning by analogy, ad hominem, you name it, these arguments, while emotionally appealing, have no impact on the validity of the science.

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Written by Richard Wilson

March 13, 2009 at 1:00 am

Is it wrong to call AIDS denialists “AIDS denialists”?

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People commonly referred to as “AIDS denialists” tend to prefer the description “AIDS sceptics”, “AIDS rethinkers” or “AIDS dissidents”, with some regarding “AIDS denialism” as a pejorative term, on a par with racial slurs.

Chris and Mark Hoofnagle define denialism as:

the employment of rhetorical tactics to give the appearance of argument or legitimate debate, when in actuality there is none. These false arguments are used when one has few or no facts to support one’s viewpoint against a scientific consensus or against overwhelming evidence to the contrary. They are effective in distracting from actual useful debate using emotionally appealing, but ultimately empty and illogical assertions.

If “pejorative” is defined as “having a disparaging, derogatory, or belittling effect or force”, then “AIDS denialist” would certainly seem to fit the bill – but does that mean that it’s wrong to use the term?

It seems to me that this really depends on whether or not “denialism” is an accurate description of the behaviour of the people-commonly-known-as-AIDS-denialists. There are plenty of terms in our language that have a disparaging meaning – “liar”, “alarmist”, “criminal”, “conspiracy theorist”, “bigot”, “crank” etc. – but that doesn’t necessarily mean that it’s always wrong to use them. It would clearly be unfair to describe as a”liar” someone who had lived a life of impeccable honesty. But where a person appears knowingly to have engaged in a systematic campaign of deception, an insistence on the use of a neutral, non-perjorative, term to describe them and their behaviour would actually be a watering down of the truth, and may even be seized on as a validation of their actions.

This is really the problem I have with labels like “AIDS sceptic” (or “AIDS skeptic”). The website “UK-skeptics” defines “skepticism” as “an honest search for knowledge”. To describe those who deny the evidence linking HIV and AIDS as “sceptics” seems therefore to presuppose that they are both honest, and genuinely searching for knowledge (rather than seeking to defend a particular ideological position), which many would dispute.

The term “AIDS dissident” is arguably even worse, conjuring, as it does, images of Soviet-era democracy campaigners being rounded up and imprisoned for speaking the truth to a dogmatic, authoritarian establishment. Those battling to convince the world that HIV is not the cause of AIDS may well see themselves in a similar light, but in reality there have been no jailings or show trials – and 101 badly-formatted websites testify to the unfettered freedom with which the self-described “dissidents” have been able to make their case.

“AIDS rethinker” is perhaps the least objectionable term – but again its accuracy seems questionable, as it suggests a willingness to rethink one’s ideas which many would argue is precisely what is lacking in those who deny the link between AIDS and HIV. It also seems rather broad. AIDS scientists are continually rethinking and redeveloping their ideas about the disease as new data comes along, and could therefore quite reasonably be described as “AIDS rethinkers” too. If we’re looking for an alternative term that uniquely identifies those commonly referred to as “AIDS denialists”, then “AIDS rethinker” seems to obfuscate matters rather than clarify them.

None of the commonly-used terms for describing those who deny the link between HIV and AIDS seem to me to be value-neutral. “AIDS denialist” is a term with negative connotations – but I’m not sure that this matters. If those negative connotations are justified, then the term is accurate. And when we’re dealing with a problem as serious as HIV and AIDS, accuracy is arguably more important than sparing the feelings of a group of dangerous and misguided people.

See also: The parallels between AIDS denial and Holocaust negationism

Written by Richard Wilson

January 18, 2009 at 12:48 pm

The Hoofnagles’ step-by-step guide to cranky success

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Ever wanted to make a name for yourself trying to convince everyone that World War II never happened, that vitamin C can cure AIDS, or that white asbestos poses “no measurable risk to health”? If so, then the Hoofnagle brothers, over at the Denialism blog, have a handy step-by-step guide that will tell you everything you need to know about how to get started!

Written by Richard Wilson

May 26, 2008 at 3:27 pm