Can you expand on the difference you see between acting on your (non-endorsed) preferences in romantic partners, and acting on those preferences in, for example, friends?
As for this specific case, I don't happen to have any Chinese friend at the moment, so I can't.
More generally, see some of the comments on this Robin Hanson post: not many of them seem to agree with him.
Here's the new thread for posting quotes, with the usual rules: