Interesting! I think Japanese education system puts a lot of emphasis on sense of responsibility and team work from a very young age, so it seems to be a matter of nurture than nature. For example, children at schools are responsible for cleaning their school: https://www.youtube.com/watch?v=jv4oNvxCY5k
FYI, the first link is broken because the exclamation mark is not considered part of it by the HN software. The broken link points to a different piece of media. The correct link is https://en.wikipedia.org/wiki/Old_Enough%21