Small Town as Moral Geography
Treating a small town as more than a setting. Its buildings, lighting and relationships show the community's values and limits, which shape what the characters can do and what gets destroyed.
Three Billboards Outside Ebbing, Missouri
Ebbing is a town where everyone knows everyone's history and no one can escape their reputation. Mildred's billboards work because social pressure is the main currency in town. The way the town is laid out is also how it judges people. Nobody is anonymous and nobody gets a fresh start. Everyone carries their history in public.
The Banshees of Inisherin
Inisherin is an island, so there is literally no way off it. Every person on it sees every turn in the conflict between Pádraic and Colm. The geography is the moral trap. Nobody is anonymous, no ground is neutral and neither man gets any distance from the results of his choices. The island is what makes the logic of the fable airtight.

