To learn this method of therapy requires some years of practice, supervision, and consultation, but academic education does not help. There was no inherent reason not to, and irrelevancies did not stop him. Although millions were trained, Rogers did not win this war. This method was simplified, so that it became verbal repetition, rather than a way of really sensing each point. That ended up discrediting the method.
Recent training is much more exacting.
This listening is hard to learn. Rogers was constantly invited everywhere. As often as not he would choose a group in nursing or in education. In 1947, Rogers gave up control of the Chicago Counselling Centre. Student-interns, secretaries and faculty ran it equally.