MBTI is a refuge for the chaotic and the depressed.
MBTI provides a structured way of thinking that is clung to as a drowning man clings to driftwood.
So MBTI helps the chaotic or depressed personality improve themselves by becoming an authoritarian personality with a ready-made way of thinking.
The authoritarian personality is an improvement on the chaotic or depressed personality, but in the struggle to move up from the chaotic personality, the authoritarian personality comes to hate the chaotic.
And unfortunately the authoritarian personality has yet to learn to distinguish between the chaotic and the creative. So the authoritarian personality hates both the chaotic and the creative.
So although MBTI provides a refuge from chaos and depression, it is at the price of creativity.
And as we move up from the literate, industrial society to the electronic, service society, creativity is becoming more and more valuable.
And MBTI will be seen less as a refuge and more as a trap.