Astrology and the 13 Zodiacs

Common knowledge isn't a common thing and when it should be, sometimes politics and close mindedness gets in the way. Science can be questioned and corrected which eventually leads to the ultimate truth, at which point that science will never need top be questioned again. The zodiacs are one of sciences astrological findings that can no longer be questioned, so why is it that the zodiacs are not yet common sense for everyone?