That's why, if you spend sufficient time listening to these Panglosses or Cassandras, you'll notice that more often than not, they're entirely wrong - most spectacularly so in their failure to anticipate the financial collapse of 2008.
"Since nothing sufficient has happened at this stage we have already put two units of the armed forces of Congo on notice that if they do not act promptly we shall cease supporting them, " a UN official in New York said on condition of anonymity.