"This week, I'm going to blow up Nintendo headquarters." This anonymous online message appeared on September 10 of this year. Japanese police moved quickly to find out who was responsible for the threat—as well as other threats to blow up Ise Grand Shrine, one of Japan's most important Shinto shrines.

This Sunday, two individuals tragically lost their lives in a senseless attack. And yesterday, a well-known Japanese journalist tried to connect the stabbings to otaku (geek) culture. Well, that didn't take long.