Fire brigades didn't stand by idly studying from the 17th century until now to act against fires. Ethics is an old field, and also one that's been applied for

Fire brigades didn't stand by idly studying from the 17th century until now to act against fires. Ethics is an old field, and also one that's been applied for a long time. It changed too. For the better even -- since social Darwinism was seen as ethical to some extent at the start of the 20th century.