As the average age of a country’s population rises, so people get more and more neophobic and gloomy. There is immense vested interest in pessimism, too. No charity ever raised money for its cause by saying things are getting better. No journalist ever got the front page by telling his editor that he wanted to write a story about how disaster was now less likely. Good news is no news, so the media megaphone is at the disposal of any politician, journalist or activist who can plausibly warn of a coming disaster. As a result, pressure groups and their customers in the media
