In 2007 Mitt Romney was the first politician to use the term "Obamacare" in a pejorative fashion, [View all]
and the republicans and the media have been pushing that term in a pejorative connotation ever since.
Is it any wonder why 33% of the populace doesn't realize that the ACA and "obamacare" are the same thing.
https://www.nytimes.com/2017/02/07/upshot/one-third-dont-know-obamacare-and-affordable-care-act-are-the-same.html?_r=0
They did the same thing when Hillary helped craft the Health Security Act of 1993, when they referred to it as "HillaryCare"
Does anyone remember when "liberal" became a "dirty word"?
During the McCarthy era most of the media fell right in line for "fear" they would be labelled as "communist" sympathizers.
However, I think it occurred under the Reagan administration when the FCC killed the fairness Doctrine in 1987. It did away with a policy that had been in place since 1949, which required broadcasters to cover controversial issues of public importance with contrasting viewpoints.
In 1991 when Bernard Goldberg's book "Bias" went to number one on the NYTimes best seller list, and Fox News came into being in 1996