It's been said that more people get their understanding of the bible from Milton's
Paradise Lost (directly or indirectly) than from the Bible. If you look at both, many elements we're familiar with are from Milton (IIRC, and it's been a long time, the apple in the Garden of Eden is an example).
> Particularly when it comes to getting eyeballs on TV, or a movie. People making that content are thinking about what people will want to watch.
But what they will want to watch isn't what they already know, it's what they are comfortable with. There is new information, the problem is new info that challenges the viewer too much. The better artists walk that line better: they find ways to present challenging information that will go down easily.
Note that the article quotes the Lear Center's research; it's named after and founded by Norman Lear, who made (among many other shows) All in the Family, which covered political issues, including race, and without pulling (many) punches, in 1971 and was an enormous hit. I highly recommend watching the first season - great on many levels. And it will press your buttons, even today.
"If you want to tell people the truth, make them laugh or they will kill you." (Attributed to many people, from Oscar Wilde to George Bernard Shaw to Richard Pryor)