Both dynamics, switchboard and circuit breakers operate in classic TA models. The waring parents and children represent the victims and perpetrators dynamically trading roles, one in full view of the other the other covertly. In steps the enabler in the personage of the switchboard operator or circuit breaker. So what happens AFTER the enabler enters the equation? Answer: the enabler becomes the perpetrator being blamed by the other parties for perpetrating the the feud and the roles now cyclonically and dynamically keep changing depending on who is currently holding the guilt token.