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Far too much popular media and opinion is directed toward getting people to “Drink the Kool-Aid” and uncritically embrace controversial science and technology. One tool from Science and Technology Studies (STS) toolbox that can help prevent you from too quickly taking a swig is the ability to recognize and take apart continuity arguments. Such arguments take the form: Contemporary practice X shares some similarities with past practice Y. Because Y is considered harmless, it is implied that X is also be harmless.

Consider the following meme about genetically modified organisms (GMO’s):


This meme is used to argue that since selective breeding leads to the modification of genes, it is not significantly distinct from altering genetic code via any other method. The continuity of “modifying genetic code” from selective breeding to contemporary recombinant DNA techniques is taken to mean that the latter is no more problematic than the former. This is akin to arguing that exercise and proper diet is no different from liposuction and human-growth-hormone injections: They are all just techniques for decreasing fat and increasing muscle, right?

Continuity arguments, however, are usually misleading and mobilized for thinly veiled political reasons. As certain technology ethicists argue, “[they are] often an immunization strategy, with which people want to shield themselves from criticism and to prevent an extensive debate on the pros and cons of technological innovations.” Therefore, it is unsurprising to see continuity arguments abound within disagreements concerning controversial avenues of scientific research or technological innovation, such as GMO crops. Fortunately for you dear reader, they are not hard to recognize and tear apart. Here are the three main flaws in reasoning that characterize most continuity arguments.

To begin, continuity arguments attempt to deflect attention away from the important technical differences that do exist. Selective breeding, for example, differs substantively from more recent genetic modification techniques. The former mimics already existing evolutionary processes: The breeder artificially creates an environmental niche for certain valued traits by ensuring the survival and reproduction of only the organisms with those traits. Species, for the most part, can only be crossed if they are close enough genetically to produce viable offspring. One need not be an expert in genetic biology to recognize how the insertion of genetic material from very different species into another via retroviruses or other techniques introduces novel possibilities, and hence new uncertainties and risks, into the process.

Second, the argument presumes that the past technoscientific practices being portrayed as continuous with novel ones are themselves unproblematic. Although selective breeding has been pretty much ubiquitous in human history, its application has not been without harm. For instance, those who oppose animal cruelty often take exception to the creation, maintenance and celebration of “pure” breeds. Not only does the cultural production of high status, expensive pedigrees provide a financial incentive for “puppy mills” but also discourages the adoption of mutts from shelters. Moreover, decades or centuries of inbreeding have produced animals that needlessly suffer from multiple genetic diseases and deformities, like boxers with epilepsy. Additionally, evidence is emerging that historical practices of selective breeding of food crops has rendered many of them much less nutritious. This, of course, is not news to “foodies” who have been eschewing iceberg lettuce and sweet onions for arugula and scallions for years. Regardless, one need not look far to see that even relatively uncontroversial technoscience has its problems.

Finally and most importantly, continuity arguments assume away the environmental, social, and political consequences of large-scale sociotechnical change. At stake in the battle over GMO’s, for instance, are not only the potential unforeseen harms via ingestion but also the probable cascading effects throughout technological civilization. There are worries that the overliberal use of pesticides, partially spurred by the development of crops genetically modified to be tolerant of them,  is leading to “superweeds” in the same way that the overuse of antibiotics lead to drug-resistant “superbugs.” GMO seeds, moreover, typically differ from traditional ones in that they are designed to “terminate” or die after a period of time. When that fails, Monsanto sues farmers who keep seeds from one season to the next. This ensures that Monsanto and other firms become the obligatory point of passage for doing agriculture, keeping farmers bound to them like sharecroppers to their landowner. On top of that, GMO’s, as currently deployed, are typically but one piece of a larger system of industrialized monoculture and factory farms. Therefore, the battle is not merely about the putative safety of GMO crops but over what kind of food and farm culture should exist: One based on centralized corporate power, lots of synthetic pesticides, and high levels of fossil fuel use along with low levels of biodiversity or the opposite? GMO continuity arguments deny the existence of such concerns.

So the next time you hear or read someone claim that some new technological innovation or area of science is the same as something from the past: such as, Google Glasses not being substantially different from a smartphone or genetically engineering crops to be Roundup-ready not being significantly unlike selectively breeding for sweet corn, stop and think before you imbibe. They may be passing you a cup of Googleberry Blast or Monsanto Mountain Punch. Fortunately, you will be able to recognize the cyanide-laced continuity argument at the bottom and dump it out. Your existence as a critical thinking member of technological civilization will depend on it.