But too much power - and hence too much dopamine - can disrupt normal cognition and emotion, leading to gross errors of judgment and imperviousness to risk, not to mention huge egocentricity and lack of empathy for others. The Murdoch empire and its acolytes seem to have got carried away by the power they have wielded over the British political system and the unfettered power they have had - unconstrained by any democratic constraints - has led to the quite extraordinary behaviour and arrogance that has been corporately demonstrated.