Humans have survived this long because of that constant paranoid behaviour. I think we are programmed to love doom and gloom predictions. But more importantly,

Humans have survived this long because of that constant paranoid behaviour. I think we are programmed to love doom and gloom predictions. But more importantly, it is an excellent tool in the hands of academicians and politicians to demand more of other people's money. It is like when you go to a Car mechanic he will find 100 faults with the car.