Originally Posted by
Subteigh
simply because they are not Reinin dichotomies - they were appropriated after the fact. They're not really open to dispute so much compared to the other 11, which are Reinin's own invention. If the validity is to be tested, it doesn't make sense to inflate or deflate the figures. the extroversion/introversion dichotomy for example not only exists in terms of Jung's own work, but is directly related to the 16 Socionics types.
...I don't consider this a huge issue though - it would be a fine thing if at the very least there was a test to help people determine their Reinin dichotomies