The Wikipedia entry for it is pretty scathing https://en.m.wikipedia.org/wiki/Myers–Briggs_Type_Indicator

If you look into it further, neither of the people who designed it has any background in psychology except having read a book by Jung once.

The Mayers Briggs Type Indicator test. It was developed with the same rigor as horoscopes, yet I still hear people I know are smart proudly tell me their four letter personality code.

PPPPPP the VVVVVV soundtrack. Such a jam