The presence of fiction into reality is meant to distabilize reality. Perspectives

The presence of fiction into reality aims at making reality lose its credibility. Then is the fiction into reality less dangerous than the reality itself or is it more nuanced?

Our generations grew up with the society of media, which formed our fictional conception of life. Our brain has been influenced by a plethora of films, images, graphisms of the modernity. How to combine the reality to a blend of stories issued by the media ?