Class conflict and social stratification

His films consistently expose class inequality and the struggles of working-class people against systemic oppression through humanistic, socially conscious storytelling.

He masterfully blends genre cinema with sharp social commentary on economic disparity and class boundaries, as exemplified in films like Parasite and Snowpiercer.

His improvisational approach reveals the nuances of class distinction and social hierarchy within British society with both comedy and poignant drama.