I forgot to include this above.
> I can also picture future screenwriters using services like GitHub as platforms
> for storing and distributing their screenplays to potential agents, managers, and producers.
Not going to happen. it provides no value to writer, agents, or production companies. it’s not even close to secure enough to be considered.
As a former programmer, who gets Version Control, and now writes; it’s a non starter to use GITHub. It may excite the geeks, but for us, we need it to make our lives easier. it doesn’t.