reading different sources makes you challenge your bias on an issue and forces you to be flexible to change. you are able to get some really good thoughts when reading something where the author has a bias where you don’t. you have to be able look at things from the viewpoint of others in order to get really good information.
in order to see a writers frame we use different things. authors use personal experiences in order to relate to the readers or have short bios so that the readers are able to get a glimpse of the mind set of the person or what the piece is mostly focus on.