Trying to explain One Night Only’s tech-enforced sex dystopia

From the omnipresent One Night Only trailer, you'd be forgiven for thinking that the movie glosses over its terrifying and absurd premise - in otherwise normal modern New York, single people can only have sex one night a year - to deliver an entirely traditional romantic comedy.

I'm here to report that it does not do that. No, the film is very much about life under Sex Purge Law, but where you might expect questions of politics or religion or fear or humanity, there are instead questions of boning. Questions like "Who should I do sex to and why?