Robert Proctor, a science historian from Stanford University, says:
"Ignorance is not just the not-yet-known, it's also a political ploy, a
deliberate creation by powerful agents who want you 'not to know'."
Even though knowledge is 'accessible', it does not mean it is accessed, he warns.
-- Robert Proctor quoted by
Georgina Kenyon. "The man who studies the spread of ignorance"
BBC (6 January 2016).
http://www.bbc.com/future/story/20160105-the-man-who-studies-the-spread-of-ignorance