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It's the usual claptrap. A guy with no understanding much less knowledge of the subject is on a rant. Astrology isn't astronomy so it doesn't work.

He quotes a 1950s "study" of time twins that I believe has since been rubbished. I can't be sure since he doesn't cite it specifically. He also cites Geoffery Dean who once, when confronted with some test results that seemed to validate astrology said

It is clear that the blind trials have not demonstrated that astrology works, but only that astrologers work. Hence to adequately test astrology the participation of the astrologer must be eliminated."
(Quoted in The Moment of Astrology by Geoffrey Cornelius, The Wessex Astrologer, 2003 p.62)

I'd sure hurry to quote that guy. This article isn't worth the effort it takes to read it.

Tom