The narrative centers on heteronormative romantic entanglements. There is no prominent presence of LGBTQ+ characters or non-cisnormative identities central to the plot.

Campion subverts traditional gender hierarchies by presenting complex emotional volatility. The film disrupts the male gaze by centering the erratic internal lives of its female protagonists.

The film features a largely homogeneous cast reflecting a provincial New Zealand context. It lacks intentional intersectional casting or diverse ethnic identities within the primary arc.

The story deconstructs the sanctity of the traditional family, portraying the domestic unit as a site of dysfunction. It prioritizes subjective emotional truths over rigid social norms.

Sweetie exhibits neurodivergent-coded behaviors, including emotional dysregulation and a childlike temperament. These traits are presented through psychological realism rather than disability advocacy.