Much of this is caused because of the, pandering too and fear of backlash from, the various activist groups and their lobbies. Many times in reporting the truth is dismissed or twisted so as they do not portray a particular interest group in a bad light.
From Breitbart --
More than two-thirds of the Internet users said they felt that news organizations don't care about the people they report on; 59 percent said their reporting was inaccurate; and 64 percent they were politically biased.
More than half -- 53 percent -- of Internet users also faulted the news organizations for "failing to stand up for America".
Among those who get their news from newspapers and television, criticism of the news organizations was up to 20 percentage points lower than among Internet news audiences, More....