It is bad for the species to have fewer people. It's also bad for the production of novel art.
How do you define "easily"?
Sorry, I'm asking two questions that each deserve comprehensive answers.
What makes you think it's being managed properly? Fertility rate 0.78 in Korea signals uncontrollable plummet to 0. TFA: 1.2 million small businesses have owners aged about 70 with no successor, prime minister Fumio Kishida: "Our nation is on the cusp of whether it can maintain its societal functions" - sounds anything but managed properly