Today the women of England, Europe, and elsewhere are directly promoting the extermination of scores of beautiful species of wild birds by the devilish persistence with which they buy and wear feather ornaments made of their plumage. They are just as mean and cruel as the truck driver who drives a horse with a sore shoulder and beats him on the street. But they do ill And appeals to them to do otherwise they laugh to scorn, saying, "I will wear what is fashionable, when I please and where I pleasel" As a famous bird protector of England has just written to me, "The women of the smart set are beyond the reach of appeal or protest." What is the main idea of this paragraph

The main idea of this paragraph is that women, particularly those in the smart set, are contributing to the extermination of wild bird species by buying and wearing feather ornaments, despite appeals for them to stop. The author criticizes their cruel behavior and indifference to the consequences of their fashion choices.