We had that at my uni as well, a mandatory module in the second year. From what I remember of it, the end-of-module test at the end was a quiz that you could "common-sense" your way through.

While humans need to pay for shelter and food, ethics will always take a back seat. I've got no qualms with CSR being a legal procedure, but then it's the ironic problem of defining "ethical behaviour" without impeding civil liberties.