Stanley is aware of his wife's aristocratic descent, but his class is unaffected until Blanche, the epitome of everything he isn't, finds her way into their household.
Performance is given much importance in criticism, with Susan Spector arguing that Blanche under Kazan’s direction was an image of a redundant dying culture and left audiences accepting Stanley’s aggressions.
Stanley is the Id, working on the animalistic pleasure principle which drives all his actions while Blanche is the superego that struggles to stand on Morality.
The dialogue in Scene 4 is significant as Stanley, unseen, overhears everything Blanche is saying and when Stella later calls him an animal, he realizes that Stella is easily influenced by Blanche, deeming Blanche as a threat.
Stanley is often seen using brute force to convey his emotions rather than his words, treating objects around him with underlying violence and objectifying women, leading him to treat women just like objects, violently.
Nietzsche proposed two forces that operate, the Apollonian and the Dionysian: the former characterized by purity, order, logic and a dreaming state of illusions while the latter is a celebration of chaos and instinctual pleasures.
Tennessee Williams writes about the socio-economic effects of the lost Civil War (1861 - 1865) on the South, despite the World War that has just come to an end when he writes this play.
The rape scene in "A Streetcar Named Desire" is accompanied by inhuman voices like cries in a jungle, illustrating the trauma of the actions and the primitive and animalistic dominance over carefully constructed ideals.
Stanley is an amalgamation of three real people who affected Tennessee Williams’s life: the real Stanley Kowalski who was working-class and friend to Williams; Cornelius Coffin Williams, the father Williams who was a domineering, working class man and also a violent drunk; and finally, a boxer Pancho Rodriguez y Gonzalez who Williams dated for a while and had an abusive relationship with.
In Julie Adam’s Versions of Heroism in Modern American Drama, she discusses how Elias Kazan directed the play to portray Stanley and Blanche as the moral victor and the physical victor, the hunted and the hunter, refinement and barbarism, decadence and robustness, death and life, old and new, feminine and masculine.