Objectivity, in this sense, means that a person's statements about the world can be trusted if they are submitted to established rules deemed legitimate by a professional community. Facts here are not aspects of the world, but consensually validated statements about it.
Michael SchudsonIt should be apparent that the belief in objectivity in journalism, as in other professions, is not just a claim about what kind of knowledge is reliable. It is also a moral philosophy, a declaration of what kind of thinking one should engage in, in making moral decisions. It is, moreover, a political commitment, for it provides a guide to what groups one should acknowledge as relevant audiences for judging one's own thoughts and acts.
Michael SchudsonMost criticism of advertising is written in ignorance of what actually happens inside these agencies.
Michael Schudson