Success breeds culture and confidence. Satisfaction with the past may leave no room for designing the future. Surely the future will be "more of the same"?
Once-powerful organizations get left behind when technology or the environment changes.

The Xerox Corporation designed many of the most-used processes in computing. Xerox could have taken the lead as a computer company. But success had been built on renting out copies, so little time was given to the computer developments from their own research park.

Leaders fail when their sense of style becomes so strong that they no longer consider the situation but say to themselves, "what would Maggie Thatcher do here?"

It is perfectly possible to be trapped by the successes of the past.