[T-zex]

What stops management from committing Feature A to be delivered after 250 tasks are completed? Yes the fact and the reasons that the Feature A expands to 500 will be documented, but who will care about it? This will still be a "delay" from the management point of view.

[wombatpm]

To quote Douglas Adams: I love deadlines. I love the whooshing sound they make as they blow past.