Sentimental claptrap …

… Rachel Carson's Deadly Fantasies - Forbes.

Although the use of DDT is not risk-free, there is a vast difference between applying large amounts of it in the environment — as farmers sometimes did before it was banned in the United States — and using it carefully and sparingly to fight mosquitoes and other disease-carrying insects, as it is used in a handful of African and Asian countries even today.  It is sprayed or dusted indoors in small amounts to prevent mosquitoes from nesting, so exposures are extremely low.  …  No study has ever linked DDT environmental exposure to harm to human health.