Ask HN: What is the difference between Libertarianism and Fascism

With Peter Thiel ascending to the TRump Cabinet, his extremely worrying ideas about women's and minority rights are extremely worrying:

https://www.cato-unbound.org/2009/04/13/peter-thiel/education-libertarian

What is up with this?

Best I can tell, Libertarianism is a kind of an explanation of why there are poor people, and how not to feel bad about it. I may be wrong!