Very true. In the Middle Ages, many religious leaders argued that the practice of medicine opposed natural law, since nature was an expression of God making decisions about people's lives. Liberals changed that. During the 1800's, Southerners argued that whites enslaving blacks was the natural order of things, since blacks were mentally inferior and needed guidance and direction. Liberals changed that. In the early 1900's, many men argued that women should not vote, since they were naturally disinclined to rationality and forward thinking. Liberals changed that. In the 1940's, Germans believed that the Aryan race were genetically superior to the Jews, and sought to eliminate them to improve the human race. Liberals changed that. In the 1990's, many conservatives argued that homosexuals could not marry, since that was a violation of natural law. (After all, they could not reproduce!) Liberals changed that. That happened long before modern times - google the Hawaiian concept of "mahu", the Incan shamans that worshiped "chuqui chinchay" and the third gender of the Madagascar Sakalavas. So that's really nothing new. But yes, it's getting renewed attention now.