I sometimes wonder if many Christians consider the Golden Rule to be just another example of contemptible political correctness. Evidently many Christians claim the right, even obligation, to be offensive to other people in the name of their religion. And as far as I can see, asserting the right to be offensive, as a matter of free speech or religious liberty, is the basic issue behind all those who seem to glory in being politically incorrect.
Does the Golden Rule allow us to be deliberately offensive to our fellowmen? That is the question for Christians to consider. I ask myself whether I like to be offended in word or deed. If not, intentional offensiveness doesn't seem to qualify as Christian behavior, if by that I mean behaving as Jesus taught/commanded.