Darn, I was sure that would be the “modern” twist ending, and then the author would moralize about how evil we all were by being shocked by the scenario.
Maybe I should write that story, the lefties would slop it up.
Don't give up hope yet.
I was pretty impressed (negatively) at how they brought Heinlein's "line marriage" concept into the thinly veiled Mormon universe of Battlestar's "Caprica."