“reader’s responsibility” to justify their ethical choices would be surprised to discover the rarity of this explanation on the survey and might thus be motivated to review or revise their principles and practices.
As a technical communicator, I feel that the technical communicator is the entity that has more responsibility to communicate the point they are trying to argue. We should aim to communicate as clearly and ethically as we can. We should aim to avoid being deceptive in our work; however, we may be limited on what we can do by our employer(s).