Eaiting dirt cookies is better than eating plants, animals and rocks. You don't have to kill to eat.
Wait? Do people actually eat dirt cookies? Am I the only person who has never heard of this? I'm guessing they're not healthy, however, shouldn't they appear in mainstream media?
There are videos on youtube, yes many people eat it to survive.
https://www.youtube.com/results?search_query=dirt+cookies