They are not TST-affiliated, more like an old style LaVeyan group.
The Satanic org I'm a member of also have a Chilean Order and I know the two orgs have talked but their LaVeyan-ism (i.e. libertarian/Ayn Rand type of Objectivism) doesn't really align with us.
The worst thing about Satanism is that you have to do a lot of research to know whether that new group are nice goths for social justice or some kind of neo-Nazi paedophile ring or something. It’s like extreme metal bands.
Five years after the Satanic Temple of the United States made headlines — and unleashed a wave of panic — when it was designated a church, a similar organization in Chile, a conservative country where half of its population of 18 million identifies as Catholic, is asking the government to recognize them legally as a religious association.
According to the article this is a similar organization, not The Satanic Temple.