You can find Chinese sayings for almost any position. It's orientalism to reduce modern Chinese society/culture/economy to proverbs and sayings.

You say that you're Chinese so there's no such stereotyping involved, but actually Chinese people commit this sin against themselves all the time.

己欲立而立人，己欲达而达人

"wishing to stand, one helps others stand; wishing to succeed, one helps others succeed"

> that is one of the major reasons why companies there won't be open

But the AI labs _are_ often being open. And cloning stuff more generally doesn't really require OSS anyway. Product features are easily cloned in most cases, without any secret knowledge.