Maybe you should learn to not need reason and science to justify everything.

I don't think the position of celestial bodies at my birth affects my personality. But I still get a daily Co-star push notification and sometimes it makes me reflect on something I wouldn't have otherwise.

I see it in the same light as Myers–Briggs types. They only have the meaning people find in them. People seem to enjoy it, and all the proposed harms are as hard to prove as the predictive power.