essential role of government

DQ1- Instructor- If the essential role of government is the protection of the health and welfare o its citizens, then the government has an important role to play in regulating the internet.  
DQ1-Instructor- XX: You wrote: "In regards to the government's part in taking responsibility, allowance by creators of websites over the internet should be regulated."  However, what is the government attempting to protect society from and to what extent does this protection trample on one's First Amendment rights