I understand that many places use the MBTI and offer the test to their employees and students. It just seems like most of the people who take the test, dismiss it as just another corporate strategy and don't actually take the time to differentiate between the types.
I've had a number of conversations with students who have taken the test for a class that go something like this:
Them: "So I have to write this paper on why I'm an ISTJ according to some personality thing."
Me: "Why? You aren't an ISTJ."
Them: "Yeah, that's what the test said..."
Me: mentally slaps forehead