One can find fault with the MBTI, and no doubt with many personality-assessment mechanisms. But there is no escaping types. We freely diagnose people all the time—as extroverts or narcissists, as “on the spectrum” or (for example) “a little O.C.D.”
In this sort-of defense of the Myers-Briggs in The New Yorker, the author argues that we have a tendency to label people. True enough, but labels have consequences. If we must label, shouldn’t we use instruments that label more accurately? Read the article here.