American Primeval and "Both Sides-ism"

I've been trying to get into Netflix's "American Primeval," and I'm frankly annoyed by it.

The show was recommended to me as a fictionalized story set in the backdrop of the Mountain Meadows Massacre. I've finished watching the alleged depiction of the massacre and, while technically a solid bit of film-making, it bares almost no resemblance to the actual event. The fact the leader of the wagon train is addressed as "Fancher" is the only real bit of historical relevance.

No, I didn't expect perfect historical symmetry, but this depiction doesn't even come close to describing the event. It's like watching a movie about Gettysburg where the battle only lasts an hour, and is fought by about 15 people using kung fu. It simply misses the point.

The visceral heart of the Mountain Meadows Massacre was that last act. After days of being besieged, John D. Lee convinced the settlers that if they put down their weapons, they would be escorted out of the territory. Once disarmed, the Mormons separated the men from the women and children and started marching them away. A little ways down, the order was given by Lee to shoot the unarmed settlers. The men, the women, and the children, expecting the children they chose, instead, to kidnap. It was as cold blooded and premeditated a crime as one could conceive.

The writer of Primeval, however, lies about the incident; skipping the massacre of the unarmed settlers under a flag of truce entirely. Why? Because, according to him, he wanted a "balanced retelling of history." To him, the Mormons had reason to be afraid and to feel invaded, and the killing of the Fancher train was the unfortunate outcome of them being in the wrong place at the wrong time.

I can't figure out if he's a coward, an imbecile, or a hack.