In the United States, people pay taxes so government can provide services to the people. What is one benefit of the government providing services instead of allowing the free market and private businesses to do so? Government can provide services that would not be practical for private businesses to provide, such as a national military.
Government is generally more efficient at providing goods and services than private businesses.
Businesses should not provide services because a free market would be more efficient.
Businesses make better decisions than government about what services are in the best interest of society as a whole.