because laws cant control the mentality of each person.
social and ethical issues are present in everything we do. no matter how large or small the scale of your work, or how major or minor the impact, the people you engage with will have views about the social and ethical issues raised by your research. the chances are that many of those views will differ significantly from your own.
four originally independent documents: the Jahwist (J), Elohist (E), Deuteronomist (D), and Priestly (P) sources.