I personally love Ayn Rand. I have almost all of her books in my collection.
Capitalism is totally different from Communism. Communism is a system of government (political, economic, social, cultural, whatever). In this system, state power leads to the deaths of millions of people. Look at any communist country (NK, Cuba, Soviet Union, China, Vietnam, etc). It's a sicko system.
Capitalism is an economic model designed around free markets and trading. Capitalism is NOT a government. It's an economic model. Individuals governments may use capitalism as an economic model, but it's the government themselves (usually a form of constitutional monarchy, monarchy, or constitutional/parliamentary democracy/Republic) that make decisions that lead to human suffering and death. Not capitalism.