Astrology is about as realistic as Greek Mythology. Gays, lesbians, trans, etc., all believe they are something they are not, so therefore they will believe anything they want, real or not. If two people were born on the same day, same time, would they both have the same personality? Absurd.
When I was a kid growing up in the Eastern-mysticism 70’s, the bio-rhythm craze was in full swing. There were vending machines throughout public places that you could use to get your bio-rhythm card printed for a few quarters to know what was your strongest course of action at the time. You’d enter your birthday and a few other facts about yourself, and the machine would produce your “fortune.” It was just innocent fun, but I’m sure some people took it seriously, probably gays.
Some people are interested in things like astrology, tarot, etc., as symbolical systems and systems of thought or philosophy.
Not everyone interested in them view them as mere ‘fortune-telling.’