Stanley hates Blanche not because she is immoral (he is arguably more physically immoral than she is), but because she is fake . He cannot stand the pretense. When he tears the paper lantern off the light bulb, he is not just being cruel. He is performing an act of epistemological violence: This is reality. Look at it. You are old. You are broke. You slept around. Stop pretending.
That, dear readers, is tragedy. Not a dead body on the stage. A living woman going back upstairs to the monster. Blanche’s final line is the most misinterpreted in theater. She says, “Whoever you are, I have always depended on the kindness of strangers.” A Streetcar Named Desire
Blanche is not being delusional here. She is finally, painfully correct. The world of Streetcar is one where love destroys (her young husband’s suicide), family betrays (Stella), and passion brutalizes (Stanley). The only safe space is a professional transaction with a polite stranger. A Streetcar Named Desire endures because we are all, to some degree, Blanche DuBois. We all paper over the bare bulb of our aging, failing selves with a pretty lantern. We all take the streetcar from Desire to Cemeteries and pray we end up in Elysian Fields. And we all know a Stanley—the person who insists on turning the light on, who calls our bluff, who says, “You’re not magic. You’re just tired.” Stanley hates Blanche not because she is immoral