Without leftist intervention or Zionist race mixing conspiracies to counter it, Libertarian's principles of volunteerism and freedom of association combined with man's inherent tribalistic nature will naturally cause an acceleration of de-facto segregation and nationalism within a nation.
We can thus assume that Libertarianism advances and gives way to national socialism, not the opposite, and that those drawn to the Alt-Right from the Libertarian camp are actually the correct ones.