I self-identify as a libertarian, which means I can play on libertarian sports teams even though I was born a conservative, but it bothers me that there's something eerily "religious" in many libertarians' fervor and uncompromising positions.
I'm firmly convinced it's a situation of the left hemisphere going bonkers in such people, but it's probably not gnostic. A religion, yes, but not a gnostic religion. It's some other kind of religion (in Ayn Rand's case, it's Satanism . . . I say that only half-jokingly, given that the LeVey's Satanic Bible was, in LeVey's words, "just Ayn Rand’s philosophy with ceremony and ritual added").