Because at least presumably, the American companies sourcing parts and labor are overseeing the final product. A lot of products are made in China, sold at Target or Best Buy, and quite good.
Whereas if you buy some "random China" toodad off of Alibaba or Wish, who knows what you're getting.
To put a finer point on it, would you trust Random Chinese Business to definitely install airbags correctly without Ford or Toyota looking over their shoulder? I doubt you would.
It's not a hating on China thing so much as it's an acknowledgement of the fact that domestic Chinese brands generally tend to make absolute garbage.