The audience has become the most important because the aim of an infographic or any information is to please the audience. You need to think about what matters to them and how to get their attention. If you don't take these elements into account, the audience will have no interest in reading what you are trying to convey to them. The information you use has also become important to me in this composition process. If you say the wrong thing or use the wrong facts, the audience may have doubts about what you are saying and may not be interested in what you say.