They are too busy on the tasks of yesterday.
Drucker:
There is no lack of ideas in any organization I know. “Creativity” is not our problem. But few organizations ever get going on their own good ideas. Everybody is much too busy on the tasks of yesterday….
The need to slough off the outworn old to make possible the productive new is universal. It is reasonably certain that we would still have stagecoaches — nationalized, to be sure, heavily subsided, and with a fantastic research program to “retrain the horse” — had there been ministries of transportation around 1825.