It was used in that comic, and then some 4chan mods made it the replacement word in the filter for "wapanese". From there, it just caught on.
As for the nation of hypocrites, its mostly about the money. Pander to the basement dwellers, and they'll spend millions on little anime girl statues, CD dramas, hug pillows, and whatever else they can get out of commercialization. If you ever read some reports, you can see that kind of behavior isn't encouraged by the public.