Of course there is extremely bad and dangerous behavior. But then there is extremely bad and dangerous behavior we don't have true control over - typical examples are compulsive, drug induced or depressed behavior. And yes, all of them need professional attention but that does not preclude us spending significant time with such persons.
With negative feedback it gets tricky very quickly as there is such a thing called intermittent re-enforcement - one provides inconsistent strong negative feedback and behavior gets worse and more persistent.
Enforcing hard limits consistently requires careful thinking and acting. It does have value in some cases. There is however a risk getting stuck thinking about the problem not solution. The author argues a solution focused approach is more effective in most cases. I don't think he covered clinical or criminal situations.
With negative feedback it gets tricky very quickly as there is such a thing called intermittent re-enforcement - one provides inconsistent strong negative feedback and behavior gets worse and more persistent.
Enforcing hard limits consistently requires careful thinking and acting. It does have value in some cases. There is however a risk getting stuck thinking about the problem not solution. The author argues a solution focused approach is more effective in most cases. I don't think he covered clinical or criminal situations.