Prior to being allowed to enter the profession, prospective teachers should be asked to talk with a group of friendly students for at least half an hour and be able to engage them in an interesting conversation about any subject the prospective teacher wants to talk about.
To focus on discipline is to ignore the real problem: We will never be able to get students (or anyone else) to be in good order if, day after day, we try to force them to do what they do not find satisfying.
Using no control and using humor will build a relationship and make a dent to where the client puts the counselor in their quality world and then begins to relate and seek out the counselor. Effective therapy begins with the acceptance of the therapist into the client's quality world.
Told that the passing grade is a B or competence and that we will help you to get there, students do competent work. The lowest passing grade in the real world is competence. Why do schools accept so much less?