China has entered an aging society. Aging means not only increasing the population's elderly burden factor, but also reducing the labor input. In the face of the indisputable fact of China's aging, delaying the retirement age can greatly reduce the total labor force. insufficient. If the following are true, what weakens the above argument? ["China's stock of working-age labor is at its peak, and about 100 million people of working age are not employed.", "According to China's current aging rate, China's labor force will still be about 710 million by 2050.", "more than 30% of China's 12 million new jobs every year are not born to retirees.", "China's population over 60 years old reached 180 million in 2012, accounting for 24% of the global population over 60 years old."]