What's the social comment? And what does the ending signify?
Every review I read states that WAWWA is a film rife with social commentary. Aside from the images reflecting the slummish life on the streets of Mexico (done before in many films), I couldn't quite grasp what the film was trying to say. Moreover though, I did understand some of the familial statements the film was making: the struggle to go out into the world and literally put food on the table; the sibling rivalry; the control of incest in families; coming-of-age (bildung's roman) complex mother-son relationships, etc.
But what's the wider picture? And what was the significance of showing Sabina looking out at the world like that? She's her father's daughter, she'll carry on with the rituals and teach her children the same, and I also picked up a note of hope at her almost challenging the world, as we all must have felt in the peak of our youths...