Children of Men is obviously not a film about infertility as a biological problem. The infertility Cuaron’s film is about was diagnosed long ago by Friedrich Nietzsche, when he perceived how Western civilisation was moving in the direction of the Last Man, an apathetic creature with no great passion or commitment. Unable to dream, tired of life, he takes no risks, seeking only comfort and security, and expression of tolerance with one another: ‘A little poison now and then: that makes for pleasant dreams. And much poison at the end, for a pleasant death. They have their little pleasures for the day, and their little pleasures for the night, but they have a regard for health. “We have discovered happiness,”- say the Last Man, and they blink.’
Violence, Slavoj Žižek.