 Strong adaptationism. The third problematic feature ascribed to Pop Sociobiology was its reliance on an overly strong form of adaptationism. In both papers by the SSG (1976) and by Gould and Lewontin in their famous “Spandrels of San Marco” paper (Gould and Lewontin, 1979), the critics of sociobiology argue that sociobiologists are committed to a “Panglossian” adaptationism. While the “Spandrels” paper is directed at “adaptationists” generally, sociobiologists were some of its clear targets (for example, David Barash’s (1976) work on jealousy in male bluebirds).