This is one everyone missed and it goes like this:
The manager approaches problems at an abstract level without considering the very real consequences. It is always a vision of what should be rather than what really works.
For example, a manager has the bright idea that there should be a new interface for the users based on a technology which does not exist. Look for the term, "It should work".
Thus it is that the day to day realities of paying for licenses and maintaining what we have to keep going yields to the vision that "when we get the new..." all the problems will be solved. Meanwhile, systems fail, applications dis-integrate, the hardware becomes unmaintainable and, when there is an upgrade, it is geriatric from the twilight of the product's existence.
Beware of the "High Concept" manager -- it is a pathetic creature which upper management loves but will make your life a living nightmare of trying to patch things together with bubble gum, baling wire, duct tape and spit at a time when it has been declared that the company can no longer afford the duct tape.
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