Interesting read: A former Boeing engineer explains why Boeing can’t build quality aerospace projects anymore.

https://voxday.net/2023/06/03/divers...works-anymore/
https://gab.com/Fred90024/posts/110478518094580802

It's the same in every western country! I personally think that the conclusion is correct (and we should worry):
Because both Russia and China lack diversity relative to the USA, they now possess all the advantages of having a smarter and more capable work force that the USA did prior to 1965.