You assume wrongly. I'm referring to actual
morality play; that is to say, that particularly dogshit flavor of Medieval theater that amounted to little more than Catholic (and some Protestant) propaganda. Specifically, the trait characteristic to morality play I invoke is paper-thin plot and characterization, in which characters were simple personifications of virtue and vice, and the plot was simply a vehicle by which a predetermined maxim was impressed upon an audience.
They fell out of favor during the Enlightenment period for good reason.
The specific reason I mention Far Cry 5 here, is that game wore its themes and message clear for all to see. Sure, one needs at least a
working knowledge of US politics and history to make the connection between Jacob Seed and Timothy McVeigh (US Army Gulf War veteran marksmen who were radicalized in the military), John Seed and Fred Phelps (viciously litigious and land-stealing attorneys), and Faith Seed and Charles Manson (mind control and indoctrination through psychadelics, propaganda, and music).
One probably needs a more specialized education in right-wing extremism to recognize the similarities between Joseph's Compound and the Aryan Nation's compound on Hayden Lake, Eden's Gate and The Organization in Turner Diaries, and Joseph's idea of "the Collapse" and...well, The Collapse in Turner Diaries (which also bears striking similarity to Manson's idea of Helter Skelter). And one certainly needs to have living memory to understand how the raid on Joseph's Compound at the beginning bears similarities to Ruby Ridge, and how the raid at the end bears similarities to Waco.
But really, that Joseph Seed's appearance and demeanor was based directly off David Koresh should really be the Rosetta stone, and get people wondering what else lies under the hood and start considering the game's content in context. Of course, that minor subtlety was entirely lost on people who envision themselves authoritative enough on right-wing extremism to speak about it in journalistic publications. But nah, cult game bad because it didn't bash Trump enough.
In other words, Far Cry 5 was objectionable specifically for
not being morality play.