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Monday, September 21, 2020

False reasoning in Covid-19 times (and not only then)


What surprises me a lot in these days of Covid-19 is that so many people stick to false views that allegedly should explain the origin of the virus. Even highly intelligent friends of mine with a university education adhere to so-called conspiracy theories, for instance.
One of the most important fallacies used when “explaining” the origin and spread of Covid-19 is the false cause fallacy. This occurs when “the link between premises and conclusion depends on some imagined causal connection that probably does not exist” (see Source below, p. 342). There are three different types of this fallacy:

- Post hoc ergo propter hoc (Latin for: after this, so because of this).

- Cum hoc ergo propter hoc ((Latin for: with this so because of this).

- Ignoring a common cause.

The post hoc ergo propter hoc fallacy involves that “one argues that a causal relationship exists between A and B mainly because A happened before B” (id. p. 343). For instance this fallacy happens (Manninen’s example) when athletes attribute winning a race to an article of clothing they wore during the event. The cum hoc ergo propter hoc fallacy involves assuming “a causal relationship between two events [simply] because they occurred simultaneously” (id. p. 335). For instance, a door bangs shut and at the same moment you hear a bang outdoors. Your automatic reaction may be that the one caused the other, but normally there is no connection. The ignoring a common cause fallacy “occurs when one notices a constant correlation between A and B and assumes that A caused B (or vice versa) while ignoring that there is a third variable, C, that causes both and therefore accounts for the correlation” (id. p. 338). For instance, an example I learned when studying sociology: In the countryside more babies are born than in cities, while there are also more storks in the countryside than in cities. Of course, this doesn’t happen because storks bring the babies to the parents, as fairy tales say. My teachers didn’t tell what the common cause was, but if there is it must be a factor that can be typified as “countryside-city difference”.
You find the post hoc ergo propter hoc fallacy especially in politics and “so” also in Covid-19 discussions, which often are political. But actually this is not important. What is important is the false reasoning in these types of fallacies namely that correlations are interpreted as causal connections without any further proof but only for the reason that two events occur together.
We often see such unsound reasoning in popular Covid-19 theories. It’s true that in Wuhan, where the pandemic started, there is an institute that studies viruses, and viruses can escape from laboratories, indeed. However, in order to prove that this virus comes from this laboratory it must be explained how the virus escaped and spread and so far nobody has been able to do so. Or take the view that Bill Gates is the puppet player behind the Covid-19 scenarios to control the world. Until now I haven’t heard any sound reasoning that makes true how Bill Gates does this. The only thing I see is that Bill Gates is an influential person (indeed!) and that he has a big influence in the international health world by sponsoring the WHO and other organisations. Nobody has made clear by now what’s wrong with this and how he uses his impact to the detriment of others. It looks like the cum hoc ergo propter hoc fallacy. If a doctor sees many Covid-19 patients, it doesn’t mean that he made them ill …
Recently I read a suggestive article in a paper published by an “antivirus movement”. It stated that organisations like the WHO, the Rockefeller Foundation or persons like Bill Gates have developed or supported scenarios how to control people in order to stop a pandemic and how to keep controlling them after the pandemic has gone. It was also the WHO that declared that there is a pandemic going on. “Big organisations and do-gooder Bill Gates promise [sic] us a big pandemic already for years. And they got it. The World Health Organisation (WHO) declared earlier this year Covid-19 to be a pandemic.” Now I must admit that it’s my interpretation but what this article suggests to me is that the WHO etc. are the cause of the misery that now rules the world. However, isn’t it just reasonable to develop scenarios of what might happen in case of …? And declaring the Covid-19 to be a pandemic is nothing else than stating how worrying the situation is.
I think that what the WHO etc. do can also be interpreted in a different way. You can read such scenarios as possible ways to restrict people in their doings in order to keep a virus under control (and if you are in bad faith how to oppress people). However, you can also read these scenarios and the measures proposed as what they consider the best thing to do in order to suppress a nasty virus. Of course, it’s no problem to discuss whether the proposed measures against the pandemic are correct. Many politicians have seen already that at least some measures taken were not the right ones. But when you want to solve a problem like Covid-19 you must not simply put facts (if they are facts) together and correlate them in the sense of simply saying that they occur together (and nothing more than that). What you must do is showing how such facts are causally connected. Otherwise we’ll never get rid of the problem and besides of a nasty virus we’ll also have a nasty controversy. 

Source

Arp, Robert; Steven Barbone; Michael Bruce (eds.), Bad arguments. 100 of the most important fallacies in Western philosophy. Oxford, etc.: Wiley Blackwell, 2019, chapters 78-80 by Bertha Alvarez Manninen, pp. 335-345.

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