That statement is not logical or proven, there exists a possibility that relying on overtime and goodwill does work for the passenger as it lowers costs as well as being capable of delivering services. What defeats it is the interminable appetite for generating industrial disputes in Northern which has been going on for at least five years. The fact that no information about the cause of the present disruption of overtime working is given by anyone, and that there is no indication of negotiations that might cut short the two month implementation period suggest that the reasons would not be universally understood or found sufficient if made public. While suggesting the need is for more staff rather often we are also told that it takes a very long time to train those staff so in practice more staff is not actually a rational way of ending the current disruption in a sensible timescale. The idea that after all this time we are supposed to believe that only the management are capable of being unreasonable and butter would not melt in the mouths of union leaders, officials or members is rather implausible. It always comes back to there being no answer possible, which signals that the model of dispute resolution and collective bargaining is what is broken and whilst either side refuses to change decline will continue.