Nothing could be further from the truth. Almost all libraries have such policies. Some require a guardian's signature to use the Internet. Some require parents to be present when children use the Internet. Some say you can lose your Internet privileges if you view materials that are inappropriate or offensive to others.
Some libraries provide filtering as an option for individuals and their families.
They are not a government mandate imposed on all. But Reinhard isn't interested in facts. He's interested in rhetoric and name calling. They don't call them pornographers. They call them librarians.