It is impossible to provide sports programs that will appeal to the entire nation. In Colombia, people on the Atlantic coast like cumbia and vallenato, people in Los Llanos like llanera, and people from El Choco like Afro-Colombian music. It is impossible to provide music programs that will appeal to the entire nation. Inhabitants of the regions of Antioquia, El Choco and La Costa in Colombia speak in heavy local accents with plenty of patois mixed in. It is impossible to sound authentic across the entire nation.
People like to read about gossips and scandals about familiar celebrities.
Older people do not care about who is the latest girlfriend of a teenage rock idol. The reader in Monterrey does not care what the deputy assistant mayor of Puebla was doing with someone who is not his wife. It is impossible to find stories that interest the entire nation. Overall, people are interested in news about their own cities. Paulo are not interested in local election results from Recife, or construction projects in Manaus, or music festivals in Salvador.