At the other end of the spectrum my kid can walk around with a machete and be perfectly legal, but her school library can't have V for vendetta. Is there anywhe

At the other end of the spectrum my kid can walk around with a machete and be perfectly legal, but her school library can't have V for vendetta. Is there anywhere that doesn't nanny about access to ideas or "weapons" (I'd rather use an umbrella as a weapon than a Leatherman if it came to it).