He believed in judgement and morals, in cases of revenge. An “eye for an eye” was big in his crowd. A lot of it was based around some survival of the fittest, Individualist thing.
Then Le Vey's real progenitor is Friedrich Nietzsche. Ayn Rand made moral judgments a linchpin of her moral philosophy. She rejected Christ because she thought that "judge not, lest ye be judged" is too forgiving of evil.
That judgmentalism is very much part of canoncial Objectivism. Twenty years ago, Rand's successor Leonard Peikoff booted out David Kelley because Kelley made a minor virtue out of tolerance (of what canonical Objectivism considers to be morally bad.)
“Then Le Vey’s real progenitor is Friedrich Nietzsche”
Short of Darwin, that would be the most often credited inspiration, definitely.