From a writing point of view, you now have teams of screenwriters working with a director. What's lost in the process is the power of that one heart, brain, gut and soul that makes something an original piece of writing.
Everybody has a high point and a lot goes into that: timing, situation, general consciousness.
Rosa Parks' courage, determination, and tenacity continue to be an inspiration to all those committed to non-violent protest and change nearly half a century later.