Comment Re:As a former expert (Score 2) 112
... the cost of breaking corporate software with an update (they just took out our scheduling program for 4 days) is very measurable and affects everyone in the company,
...
Where are your test systems and test cases?
If you want to win these fights, you have to present defensible numbers in units that the PHB's understand: Dollars or Euro.
And the core problem with estimating losses is that you are now trying to play in the realm of the PHB. You will always lose. That is because while you are spending time on productive work they are spending time on personal relationships and politics.
Any time they do not follow your advice and a disaster does NOT strike
Right up until the systems are cracked and then they're going to blame you any way because it was your job.