Eerily familiar...too bad it takes 100 years to impartially observe our human incompetence and mendacity. Like today’s drive for “diversity”...not so fast you Christians and/or conservatives.
A dead society will be our reward.
Sterilization (like abortion is today) was rationalized as necessary to improve mankind.
Then the Nazis started using sterilization and eventually gas chambers to create their super race.
It was settled science. No disagreement, skeptics or deniers were tolerated.