Yes that’s right it is only meaningful to the individual making the decision.

Which is also sort of the basis of language, a bunch of individuals coming to agreement on a particular meaning.

The word “cult” isn’t useful for any logical description or categorization of a thing. The only purpose of it is to draw a line between the more believed and less believed, the accepted or ridiculed.

Scientology isn’t a cult to scientologists, and if they took over the world they wouldn’t be a cult to you either.