What always seemed an obvious problem with Myers-Briggs is that there's no way to be "normal". Somebody who's at the mean of all 4 axes is going to get a random

What always seemed an obvious problem with Myers-Briggs is that there's no way to be "normal". Somebody who's at the mean of all 4 axes is going to get a random score and look just the same as someone who's extreme in some way. Surely many or even most people are going to be close enough to the mean on some axes that error in the test can't place them on the correct side.