Not really sure how you can call it underpopulation. Was underpopulation also a problem in the preceding 30,000 years or so of human civilization in Europe lead

Not really sure how you can call it underpopulation. Was underpopulation also a problem in the preceding 30,000 years or so of human civilization in Europe leading up to today, when the population has always been always smaller? The population in Europe is larger than it has ever been in any point in history.