Yes, your point essentially mirrors Hume's famous is/ought gap, under which statements about what "ought" to be cannot be derived from statements about what is

Yes, your point essentially mirrors Hume's famous is/ought gap, under which statements about what "ought" to be cannot be derived from statements about what is (factual statements.) This still poses some serious philosophical questions. See: http://en.wikipedia.org/wiki/Is%E2%80%93ought_problem http://en.wikipedia.org/wiki/Is%E2%80%93ought_problem