The people talking about 'hunger goes away after 3 days' are talking about people who are mentally-prepared to experience it. You and the people talking about

The people talking about 'hunger goes away after 3 days' are talking about people who are mentally-prepared to experience it. You and the people talking about civilization only being 3 days away from anarchy are talking about "desperate people". I don't think anyone is confusing the two groups of people; just talking about two different possibilities for different people.