GM, DuPont, and Standard Oil poisoned the world just because ethanol was too easy to make.
Midgley also created Freon and other CFCs that almost destroyed the ozone layer. But on a lighter note, Midgley died when the mechanism he designed to help him get out of bed after becoming partially paralyzed from polio strangled him (though it may have been intentional).
It’s three jobs on a slow day.