Fewer people trusting the traditional print and electronic medias.
It isn't limited to USA alone; but nearly everywhere in the 1st World.
Significant decline of newspaper circulation.
And ever lowering TV viewership, especially among the young generation.
Such a phenomenon has been fast accelerating for the past 10 years or so.
Bound by corporate interests(Ad sponsors).
Always come with Untouchable Sanctuary(Media No Go Zones).
And awfully polluted by the Political Correctness; unofficial form of censorship to shut people up, for the past few decade.
Anyone criticizing that information fascism, automatically tagged Racists, Right-Wing Extremists while simply seeking better balanced coverage.
No Wonder ever fewer people want to pay their attention to the News Dinasaur, Corrupt, Useless, often Doing More Harm Than Good.
Just a form of Social Selection in terms of information distribution.
With the common use of internet among the population, they can no longer bulldoze people's opinion/views as they enjoyed in old time.