You may think I am too extreme. However, this is what we do all the time with other products – drugs, cars, electrical products, and many others. When a company invents a new drug, for example, it cannot be sold immediately. The effects of a drug, and the human body’s reaction to it, are complex. So the drug needs to be tested rigorously before we can be sure that it has enough beneficial effects that clearly overwhelm the side-effects and allow it to be sold.
by Ha-Joon Chang
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