Two quotes from the famous Sir Humphry Appleby in UK political comedy- the favourite program of Prime Minister Margaret Thatcher- could equally be applied to many a BI and Analytics project.
Basically justify my idea, my beliefs and my plan.
For those wanting a more serious investigation of this unpalatable truth read "Cognitive bias that distorts analysis".
"Minister, two basic rules of government: Never look into anything you don't have to. "And never set up an inquiry unless you know in advance what its findings will be."