In all her 181 years of being her best possible self, Goldilocks has only ever had three bears and three versions of anything to deal with in any given story. When does that ever happen in real life? It's a managing editor's dream.
Every milestone both good and bad, in the thirst for knowledge, is a part of the process and should be appreciated as such. It's a chance to step back, view the bigger picture and consider the source of any new evidence before buying into a story.
Expecting a third party to do what you can't do is one thing, and that's what great freelancers are for. Expecting them to do it right can only come from digging a little deeper into what your company culture is made of—together.