what are the benefits and risks of biographical fiction and memoir (in text or film/performance)? What do we get from such works that traditional auto/biographies cannot similarly offer, or why do you think they have become so popular?

Historical fact

In drawing and deviating from historical fact, what are the benefits and risks of biographical fiction and memoir (in text or film/performance)? What do we get from such works that traditional auto/biographies cannot similarly offer, or why do you think they have become so popular? With reference to at least two different works , discuss specific advantages and disadvantages of these forms for understanding our lives in the present. Do they expose or challenge questions of post-truth?

You are ONLY aloud to use the following movies for “reference at least two works”:
You do not need to watch them, use anything you find online in trustworthy websites to put them in the essay. DO NOT CITE anything.
1.I, Tonya (2017) directed by Craig Gillespie with Margot Robbie
2. Roma (2018) by Alfonso Cuaron