I always love getting my tarot cards read. Do I believe it has special knowledge of the universe? Absolutely not. Does it get my thinking creatively and critically about the personal story that I have with my self? Yes. And that has some value.
Of the atheist STEM postgrad degree people I know that love to talk about astrology/tarot, they usually retreat to this type to defence: it's a useful tool for introspection. Sure. But then if I ask them to admit that believing in it is unscientific, the response is something along the lines of "well it could be true". They know there's no evidence for it, but they're probably afraid of offending close friends that a…
I can't remember what TV show I heard this on, but I like it; "the true sweetness of wine is... but one flavor."
(ETA: The show was Marco Polo.)