 During the 2000s, the United Kingdom has reoriented its system of corporate law around that objective.However, the duty is particularly difficult to sue upon since it is only a duty for a director to do what she or "he considers, in good faith, would be most likely to promote the success of the company".Proof of subjective bad faith toward any group being difficult, directors have the discretion to balance all competing interests, even if to the short term detriment of shareholders in a particular instance.