The part about China listening more to foreign voices with the "Guanxi Bias" - very much on the edge about that. I've noticed a trend towards nationalism in China (and worryingly all over the world), so the fact that they chose the voice of a foreign person over that of "one of their own" might point to the Reddit thread being convincing, even if only a minor investigation is required to debunk it.
Unless there's inherent racism in China, a black, African female of the same position should have had the same power, fulfilling the role of "foreign person".
But the main point was really about attributing these unwanted characteristics specifically to white, Western men as opposed to Dale taking that responsibility on himself. Regardless of background, he is in a position of power (however you want to attribute that to him) and he made a mistake.