The ampersand (&) symbol, while representing the conjunction "and," holds specific significance in film credits that makes it irreplaceable. When two screenwriters are credited with an ampersand, it indicates that they collaborated on the script simultaneously. This signifies a partnership where both writers contributed to the project together.
Conversely, if the word "and" is used to connect their names, it implies that the writers worked independently and possibly at different times, without consulting each other. This distinction is crucial in the film industry, as it reflects the nature of collaboration and authorship.
Understanding this difference is important for accurately representing the creative process behind a film. The choice between using "&" or "and" can convey significant information about how a screenplay was developed and the relationship between its writers.

In summary, while both symbols serve to connect names, their implications in film credits are distinct and cannot be interchanged without altering the meaning of collaboration.