Each person is a unique individual. Hence, psychotherapy should be formulated to meet the uniqueness of the individual's needs, rather than tailoring the person to fit the Procrustean bed of a hypothetical theory of human behavior.
Milton H. Erickson, Jeffrey K. Zeig, Brent B. Geary (2000). “The Letters of Milton H. Erickson”, p.17, Zeig Tucker & Theisen Publishers