I would argue that we have a generation of young people particularly minorities who are no longer putting up with the kinds of things their parents put up with. They're much more self-confident. It's no longer acceptable to make fun of people because of race or sex. But it has always been present in American society.
To declare that in the administration of criminal law the end justifies the means to declare that the Government may commit crimes in order to secure conviction of a private criminal would bring terrible retribution.