Astrology is the claim that the celestial bodies control our destinies and other earthly events to much greater degree and much finer granularity than is recognized in modern science.
This is one interpretation of astrology yes.
Another interpretation is that it is a belief that people with particular personality traits tend to be born around the same time of year every year owing to much more terrestrial causes, combined with a belief that it's healthy to use what is essentially a random number generator to occasionally visit on themes in a person's life. Naturally, this needs to be broken up so that not everyone tries the same shit all on the same day at the same time for the same reason.
I don't think there's much value in letting a massive celestial pRNG be the source of advice I receive. I do think
there's at least a little value in the variance this produces in terms of suggestions on stuff to do,
breaking up routines and cycles to force variation into one's life. I don't really buy into it much that the time and place of one's birth has much to do with it, though.
Does this mean the stars control our fates? Hell no. We do. But the stars do provide a handy amount of "weirdness" which we can use as a seed of chaos to stir up our lives from time to time, and the prophecy is a little self fulfilling if and when people decide to play to those stereotypes associated with sign.
I think that's what a lot of people fail to understand.
Tarot works in the same way, not as a window into a world of grander fates woven by celestial hands, but as a window into a world inside ourselves, as a set that will be explored from top to bottom as to various themes of life that we all need to consider from time to time in various ways.
So when I encounter people into astrology, I try to push them more towards the healthier interpretation rather than creating a vacuum in their life, rather than creating a lack of mechanism to fulfill that role.
I imagine those seeking to break people away from unhealthy interpretations of astrology would have some responsibility to offer some
replacement for that "stirring rod" that they are trying to denigrate.
It's just that most such replacements generally take a similar format, and people have a long history showing a tendency to elevate such mechanisms from "social stirring rod" to "messages from the gods", so you're damned if you do and damned if you don't.