The people we call Post-structuralists who wrote about structuralism all had different ideas. A common idea among them was not liking how some structuralists thought the whole world could be thought of as symbols that are opposite to each other. They thought that things in life and in media are more complex than that, so that thinking "this is the opposite of that" was silly. A lot of the time, the post-structuralists said that the things that we think of as the ends of a binary were really made up by other people, and were not really useful or true.