Why, as the Gates of Newsgathering Information Have Been Opening, the Minds of Its Audience Have Been Closing?

huffingtonpost.com — In examining the radical changes in the dissemination of news, we need to examine not only how newspaper and news media are evolving from providing historically accurate records, but also how the expectations of the audiences have changed.
I couldn't get past the 5th graf of this claptrap nonsense: t.co/4O5KlaA8 (h/t @mathewi)
any evidence? "the American news audience has become more close-minded it its desire to consider diverse opinions" t.co/pCxqYOZ3