It has long been known for sure that the sight of tasty food makes a hungry man's mouth water also lack of appetite has always been regarded as an undesirable phenomenon from which one might conclude that appetite is essentially linked with the process of digestion.
People are afraid and when people are afraid when their pie is shrinking they look for somebody to hate. They look for somebody to blame. And a real leader speaks to anxiety and to fear and allays those fears assuages anxiety.