You can fail in films because you don't have the talent, or you have too much humility, or you lack ferociousness. I'm a gangster. If I want something, I'll grab it.
People have to feel needed. Frequently, we just offer a job and 'perks. ' We don't always offer people a purpose. When people feel there is a purpose and that they're needed, there's not much else to do except let them do the work.