>>12174647Germany has a cool, calming climate. This improves average human nature a great deal through a variety of small effects which add up. The culture there has a thousand year long history of cultural and economic progress which allows iterative improvement generation on generation. They're somewhat isolated from areas which don't have these traits, and they've inherited much progress from other areas with these traits which historically enjoyed even further isolation. Finally, there's some luck involved. Not every large nation with an ideal climate and reasonable isolation has ratcheted towards social, scientific and industrial progress, though most have.
