i like japan on a lot of stuff but one thing that encapsulates their society is when i visited their convenience store and there seems hundreds of “rules” plastered all over on the register. i keep hearing the native says it like “a nail that sticks out will get hammered down” and after visiting there, i understand…

I’m guessing its meant for the devices thats already installed in class or belong to the school, so it gives them time to change or remove it.