Eugenics obviously. I find it laughable that those who disparage it as a "nazi invention", have no clue of its history, and the same idiots that belittle it because of the nazi connotation, are gung-ho to embrace the same nazi contributions to medicine, rocketry, philosophy, etc. https://knowgenetics.org/history-of-eugenics/ https://www.britannica.com/science/eugenics-genetics