You are right. edanm asked for some evidence that there are idiots who think Japanese worship white people. It seems there are many, so the article really targets an existing problem. That's the point.
"The ultimate reason for the lower Japanese body esteem
may perhaps concern broader cultural and historical
perspectives. Being part of the West, but non-Caucasians,
Japanese people seem collectively to experience high
incongruence between their Western-oriented bodily ideals
and the perceptions of their own body. "
Japanese body image: Structure and esteem scores in a
cross-cultural perspective by Rotem Kowner, University of Haifa, Israel, in: INTERNATIONAL JOURNAL OF PSYCHOLOGY, 2002, 37 (3), 149–159
And by the way, what's up with the people posting that Yahoo! question? If it's not a joke, I'm seriously worried about the state of humanity.