I always thought of Myers-Briggs as being about identifying the things you are less comfortable with and learning to address them. It's about identification of tendencies, not blaming a Gremlin.
Naming various borders of your comfort zone is useful if you want to push them back. If M-B has a failing, it is that its advocates never seem to suggest that being dead center on all axes is an ideal to strive for.
Predicting others' behavior on the basis of a generic quiz is a pretty silly expectation.
I think what MBTI lacks is an appreciation of context - sometimes it's good to be Thinking, sometimes it is good to be Feeling. What individuals need to learn is 1. when each is appropriate and 2. if they're bad at doing one or the other, getting better at it.
Also, https://www.vox.com/2014/7/15/5881947/myers-briggs-personali...