The people specifically in the story? Probably not. Americans in general over a period of time? Maybe. I could see a "religious renaissance" happening at some p

The people specifically in the story? Probably not. Americans in general over a period of time? Maybe. I could see a "religious renaissance" happening at some point where religion goes on the rise again if/when people become disillusioned with secularism/nihilism/etc, a side effect of which would be people being "talked into monogamy"