Food Not Bombs is a network of autonomous chapters that serve free food indiscriminantly. Food Not Bombs groups recover vegetarian food that would otherwise go to waste and use it for a greater good.
Sam recognized a problem with killing, hunger, and waste of food, so Sam started a Food Not Bombs group.
When you're watching a modernised version of Macbeth in class but the kids only seem to care about the food so the teacher uses the phrase to tell them off.
Girl: Look at the doritos Teacher: IT'S NOT ABOUT THE BLOODY FOOD