I don't know if you're pretending to be unaware or genuinely ignorant, but no. Japanese society places extreme emphasis on teaching children to behave respectfu

I don't know if you're pretending to be unaware or genuinely ignorant, but no. Japanese society places extreme emphasis on teaching children to behave respectfully in society and these values are taught from early childhood to adulthood. If you want to attribute their low crime rate to gun control you'll have to bring something halfway convincing to the table.