The media don't write about it because they are "common", the media avoid writing about the extent of the Muslim violence because they hope to conceal the full extent. If the Swedish people had the reality shoved in their face every day, they might be less enthusiastic about voting for the Left in the upcoming general election in September.
Much like the motivation for suppressing the rape scandals in the UK, news of which was suppressed in order to not support the position of those evil right-wingers: Concerned About ‘Giving Oxygen to Racists’, MPs ‘Ignored Our Cries for Help’: Rotherham Victim
They are victims of the five most dangerous words in the English language...
”Maybe it will go away.”