Oddly libertarians never acknowledge that market leaders ask for theses things. The biggest threat to the free market are capitalists themselves.

I don't think that has ever been true, really. Nor should it be, Laissez Faire is a trainwreck waiting to happen, probably literally and figuratively.

Textbooks will tell you that the USA, and other countries like China and Russia, are a regulated "Market System" which in some markets teeters on strict Oligopoly.