It is, however, clear that a well-defined and properly communicated company strategy will help to unify and lessen disparate wills and wishes on BI usage. A clear strategy also often helps to diminish rivalry between different business units as it leaves less room for personal interpretations on what should be done. Nevertheless, there are many other organizational cultural reasons for a high degree of politics, something that will ultimately very much concern a BI implementation.
It could be time to start a real project.