If a centrally-controlled government like China’s cannot persuade consumers as to the safety of biotechnology, it stands no chance in the tabloid-driven free markets of the West.

One market analysis concluded that the gluten-free market involves 44 million consumers and that it will grow to $7.59 billion in value by 2020. Only about 3 million Americans have the autoimmune problem called celiac disease that makes gluten consumption damaging to the small intestine. Fear of man-made inputs and the desire for “natural” are causing the organic industry to grow faster than production. With this backdrop, food makers are concerned that putting the GMO label on their products will cause many consumers to reject them. The test c...