Is this really about nationalism? Is this really about a resurgence of pride and conquest amongst the Japanese population? Or is this yet another troublesome protest fueled by outside interests who are more motivated by publicity and helping to draw attention away from the fact that the natural resources of Asia are being stripped and extracted faster than ever before?
There is such a thing as Japanese nationalism; these are the same kooks you'll find everywhere else. Someone is being paid to stir up trouble, nothing more. That "trouble" is being used to disguise the fact that natural resources and the poor are being exploited.
Asia is ripe for a war over resources. This is why we are maintaining a huge military presence in Okinawa and are considering a move to return to the Philippines.