Capitalism is free markets centralization is a form of communism and fascism, not capitalism. But i totally agree with your point.
These terms are intended to be misleading. Capitalism always exists on an individual level because ultimately even under direct threat of violence you have a choice, in jail black markets exist (ie cigarettes as money) , under mao black markets existed. But capitalism or free markets or freedom has always been easily captured, and if it can be controlled it always has been and always will be, hence bitcoins revolutionary importance but that doesnt make the systems capitalism. The powers that be call it, thus many people call it capitalism.
The author of the creature from jekyl island explains these terms are a way to use the term freedom and spin so even the people suffering act against friend for themselves. He calls it collectivism or individualism.