Astrology is a red herring and/or strawman. It plays no part of MBTI. It would be like saying that modern navigation is wrong because we though the world was flat.Astrology is not about date of birth, it factors in Date, time and place. Which make even identical twins uneque from each other (they can't be born at exactly the same moment). Those data are fed through astronmic data to give exact locations of 10 planets (Sun, Moon, Merucury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto, Node and Asc, MC/IC), thats a lot of data from just time place and date. So two people born on the 1st of January, 1980 20 minutes apart can have different life events. They will be very similar, have similar life events but can be experienced very differently.