They have no boy bands in North Korea.
Education was an effective propaganda tool.
What you learn in the process and the skills you acquire are precision, sharpness, eye for detail, and effective communication (written or verbal). Other skills that you develop as a press reporter are given below, check them out.
There have been few leaders in the history of the world that have worked painstakingly hard in propagating the culture and ideals of communism and didn't mind sacrificing their lives for the cause. Here is a list of top 10 people behind propagating communism.
Media censorship is the tool used by regimes to suppress people. At the sight of danger to power, establishments resort to suppression of information flow to nip any uprising in its bud. Censorship in any form is not conducive to an evolving society.