Why would a government want to restrict or abridge what is written about them?

National ...

Content-neutral restrictions, such as restrictions on noise, blocking traffic, and large signs (which can distract drivers and clutter the landscape), are generally constitutional as long as they are “reasonable.” Because such laws apply neutrally to all speakers without regard to their message, they are less ...

their just depressed and think that if they give pain to some one else the pain goes away from them. which it doesn't.