No individual is alone responsible for a single stepping stone along the path of progress, and where the path is smooth progress is most rapid.
The talent that has to be learned is finding out what someone's passion is and setting them up to realize that. You don't get the best work from people if you're guiding them versus them guiding themselves.
A biopic would have required hiring an actor, and I always wanted to just let Bobby be Bobby. My thought was it would make it a more universal story to focus on ordinary people rather than this extraordinary man.