Your quote is a bit out of context. He goes on to explain, "As a physicist, if I get an correlation coefficient, R2 < 0.9997 in an experiment, I would consider

Your quote is a bit out of context. He goes on to explain, "As a physicist, if I get an correlation coefficient, R2 < 0.9997 in an experiment, I would consider that a poor result. A nutritional researcher working with human patients cannot even dream of achieving the degree of control or characterization I can, and their data are overloaded with spurious noise." He is giving his opinion on why the science is "garbage" and explicitly states that "This isn't largely the fault of the scientists involved"