You've changed things a bit now. The phrase in question is: eating food without causing pain The OP doesn't say this is what should be done. OP says that w

You've changed things a bit now. The phrase in question is: eating food without causing pain The OP doesn't say this is what should be done. OP says that we should respect our food and talks about the living conditions of animals we eat and how they are killed. OP doesn't say or imply that we should eat food without causing pain.