Even Oliver Stone had a negative reaction about the mainstream media. In his own words from the 1992 JFK records hearing.

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The Warren Commission concerned as it was only with who and how never answered never attempted to answer the question of why John F. Kennedy was killed. Obvious connections Lee Harvey Oswald's 2 intelligence organizations and individuals Jack Ruby's to organized crime were uninvestigated an unexamined.

And so from day one the mainstream media of the United States our major newspapers magazines networks reporters columnists and correspondents accepted the official verdict and never began- let alone pursued an investigation.

Hard as it is to believe the crime of the century in which the preliminary verdict was widely disbelieved and discredited- it was never seriously investigated by any major journalist or journalistic organization in America. Even those prided themselves on their existence as quote newspapers of record or centers of investigative journalism and thus the official media joined official government in a decision to stonewall the American people partly through lethargy and in part an important part to protect their own record of inaction and bland acceptance of the unacceptable.