As seen at Canned Dogs:

News site J-Cast goes onto 2ch and sees people joking about how the murder’s like higurashi, and writes an article saying that people on the internet are pointing to higurashi as being related to the murder.　Sanspo, trying not to lose out, writes a news article saying the same thing.

TV show “Move!” picks up the news and runs it on TV.

I have to admit, I laughed a bit, although the situation is grave. First School Days, now Higurashi... What are they going to cancel next?

BTW, I haven't heard any calls to legislate axes out. If the girl used a gun, that would be the first thing reported by wire services. Why the double standard? I suppose axes are just not as cool as guns and do not provoke the same envy from all the uncool people.