The government exists to protect the property of its citizens. You can’t have a reliable market without the threat of violence (prison, fines, etc) and judiciary from an authority and government is suitable for that purpose. It’s their main purpose in fact.
The government exists to protect all basic human rights of its citizens, including their right to free speech and self expression. Copyright is a severe violation of those rights that is only allowed for a very specific purpose of encouraging more creation.
