The hypothetical culture
Julius Caesar once wrote about himself in the third person, which gave the descriptions of his own actions a certain grandeur. In modern culture, we do often the same, although perhaps in different ways, rather out of modesty and uncertainty that out of feelings of grandeur. When we express an opinion, we often say "it is generally believed that", instead of saying "I believe that". Usually, we are not even aware that we are doing this.
Socrates was harsh whenever he encountered such ways of expressing. He would say "if it is not your own opinion, then what is the point of defending it here?" and he would force the other person to admit that he was in fact talking about his own opinion. As Socrates showed, this gives dialogues much more substance and it also gives those engaging in the dialogues a much more productive learning experience..