analysis - Why is "Based on a True Story" used? - Movies & TV

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I have had little to no interest in a
movie that claims it is "Based On a True Story" since Fargo. It's well known that it was
a lie that Fargo was based on a true story. There are many movies though that alter so
much of the real story though that they end up more fiction than reality. So what is the
point of putting "Based on a True Story" in the movie description?

Answer

Lots of
reasons:

• Usually, the
  creative team wishes to use artistic license to make the story more entertaining. They
  might condense the time frame, eliminate or combine minor characters, imagine sequences
  or conversations that cannot be known, or leave parts out that seem to distract from the
  primary story.


• There may be a fear of litigation if they
  don't get the story exactly right.


• There may be a wish to
  protect innocent parties.


• The creators heard a great
  story and wanted to use it as a starting point for their own creation, yet they still
  wanted to give credit for the idea.


• The creators want to
  build believability in from the start, so they give you the subtitle to pique your
  interest (which in your case does the opposite). The subtitle "Based on a True Story"
  has been so overutilized by cheap television productions emanating from salacious
  headlines, that it does tend to make you want to
  run!

In
literature, sometimes an author (think Erik Larson) will publish a book as non-fiction
even though it has fictionalized dialogue and a certain degree of supposition, which I
find equally annoying. James Frey's memoir A Million Little Pieces
contained enough fabrication that libraries don't know where to put it! If the story
(movie or book) is interesting enough, "based on a true story" always makes me want to
research the true story.