This important behavioral phenomenon involves a complex interplay among our evolved predispositions, plus cultural learning, personal experience and the social context.
Can there be any doubt that ethics is a cutting-edge issue? We are daily assaulted by routine private acts of violence, chicanery and deception, as men and women (and children) make choices or act out compulsions with ethical ramifications.
Is the time ripe for evolutionary ethics? I would argue that it has always been ripe, ever since Darwin. The difference now is that the continuing progress of the life sciences and behavioral sciences makes the case more irresistible. So the proper question is, are we yet ripe for it?