Two books in the 20th Century killed more than 60 million people each:
And , it barely works.
The pesticides that do work are restricted to approved Pesticide applicators, who have to get a permit from the EPA. The only reason Rachel Carson succeeded in her quest was because the wealthy elite saw a way to make more money off selling crap that doesn't work. Laundry soap, Dishwashing liquid, detergent period. Doesn't work anymore. Phosphates (the only thing that cleaned the clothes) made illegal.
Look at a box of laundry detergent sometime. Most contain 99% INERT INGREDIENTS (ground up dog bones. Which make your clothes stiff. So... you have to buy clothes softener. Mo money, mo money, mo money. It's always about the money.