>>511291656 (OP)because thats what it is anon, this is the reason. Nobody wants to lose its share of the cake due to population decline. 100 years ago, such a population decline would have resulted in better conditions for humans but right now its easy and cheap to bring people from other parts of the world. Black plague is the best example, after it stopped conditions for the average person improved drastically in order to preserve the population but now no one cares.