Seek examples of the extinction of traditional culture due to the changes of the times.

Yes, many examples, especially in pronunciation. For example, there is an ancient Indian tribe in the western United States. They used "Katoba" language, but due to cultural assimilation, the last user of this language died a few years ago, and this language died out. Another outstanding example is that children in some areas can't speak dialects, but only speak Mandarin, such as Hainan Island.