Complex sentence: Secondly, it unwittingly protects harmful and often socially powerful criminals from exposure and justifiable condemnation, therefore neutering critical schools of political and social science and creating a vacuum into which the irresponsible mass media flow.
Split into simpler sentences: Secondly, it unwittingly protects harmful and often socially powerful criminals from exposure and justifiable condemnation, therefore neutering critical schools of political and social science. In turn, this helps to neuter real politics, creating a vacuum into which the irresponsible mass media flow.