https://gamerant.com/sims-4-fun-things
The concept to interact with AI simulated characters has been around for quite a while.
https://gamefaqs.gamespot.com/boards/936498-the-sims-3/49600413
So what happens when people really start to interact with 3D Sim like characters through a VR program?
https://screenrant.com/dont-worry-darling-movie-victory-project-explained
The_Thirteenth_Floor movie is a little like being in a full immersion Simcity interacting with something like The+Sims.
https://en.wikipedia.org/wiki/The_Thirteenth_Floor#Plot The ending of the movie implies that the world might be someones digitally constructed reality.