Vietnam and China have never been any more than allies of absolute convenience.

In fact, in one of the weirder turns of recent geopolitical history, the Vietnamese would prefer to be American allies over Chinese if forced to choose, and it's not even close.

[1]https://www.reddit.com/r/VietNam/comments/1c22j7l/vietnam_st...

Nor was China when the US began offshoring.