It’s only a model

I frequently see the skeptical crowd on Twitter pointing out that the Myers-Briggs test is “astrology for business people”, or dismissing astrology as hokum. I suppose this was inevitable, given that there are people who won’t get out of bed when Mercury is retrograde (despite the fact that the apparent retrograde motion is an illusion caused by our geocentric perception that the Earth is the centre of the solar system and not the Sun (whereas everyone knows that Galileo was right — with the pos...