OK...there's yet another meaning I hadn't thought of.
I guess if you go by-the-book...
@Saint Frankenstein,
@Revoltingest,
@Luciferi Baphomet,
@Adramelek @Lyndon
Might is Right was adopted by white power movements, and other fascists long after it was written. (I believe it was written somewhere around 1890, if memory doesn't fail me..) That's like saying Nietzsche was a Nazi because they adopted and mutilated a lot of his work. It was copied by LaVey because many of the premises follow the rule of nature, rather than some deluded good/evil moral relativity. The rule of nature is basically one of the fundamental concepts in Satanism, in that the natural order doesn't need to make excuses. That involves a lot of concepts from survival, necessity, desire, and viewing humanity as just another animal with similar needs.
Historically, Church of Satan didn't actively support stratification until nearly 1990 and it wasn't a part of the Satanic Bible. It was initially circulated in a inter-grotto document called, "
Pentagonal Revisionism." I think mostly that LaVey had distributed this document because it was somewhat unclear, but fact remains, the word "stratification" doesn't even appear in the TSB. The concept remains popular in the organization, but if you only read The Satanic Bible you probably wouldn't know about it.
Also worth mentioning, is that the CoS supported LGBT from the very beginning which is sort of strange for fascists or right-leaning groups.
It would be more accurate to say that the current incarnation of LaVey's Satanism (actually, shall we say Gilmore's?) supports stratification, notions of the ubermensch (inherited from Friedrich!),
Lex Talonis, and meritocracy. Only these concepts are really at odds with the left, but I find it funny when groups like The Satanic Temple get involved with SJW actions and it's just completely against the base philosophy of atheistic Satanism. It's probably against the base philosophy of ANY Satanism, at least as I reckon it.
If we are to accurately represent most Satanists, I would say most of them lean non-authoritarian Libertarian or are SLIGHTLY right of center. Personal freedom ultimately is the most important thing to most Satanists and probably why they are involved in the first place. They throw the mental, and physical chains off their existence and seek to become the ultimate expressions of themselves.