They are, plenty of BYD factoring being built throughout South America and Southeast Asia as a condition of opening trade. Same is starting to happen in Europe too.

You just aren't going to this too much in the US or any countries fully aligned with the US for fear of competition. It doesn't benefit anyone really. It's not like I get richer when Ford says more vehicles or Meta makes more teenagers suicidal, so why should we care? It'll hurt the country in the long run too.