Overtly social issues-based cinema risk are boring unless you're a Ken Loach in which case it's not boring. Everyone knows, everyone is aware. As filmmaker you'll need to up the ante, a little. Mahamat-Saleh Haroun, with his new film "Lingui," appears to have not done this.
Amina lives with her fifteen year-old daughter Maria in a suburb of N’Djamena. Her world falls apart after she learns that her teenage daughter is pregnant. Amina herself had, in fact, experienced the same situation fifteen years earlier before being ostracized from her family.