Blind faith was replaced by the Enlightenment in the seventeenth and eighteenth centuries.
Yes, blind faith was replaced by evidence and reason just in time for the founding of Oz.
So naturally I look for a double blind test of MBTI. But there is none. So there is no evidence for MBTI. So MBTI is the perfect example of blind faith.
So I look to its origins. And I find it was fabricated in the USA, the home of many blind faiths. Yes, it is another confidence trick emanating from the good ol' USA. All you need to do is believe.
And to be an unbeliever is quite un-American. Thank God I am not an American.