It's almost funny how the job of dishing out the bad news gets handballed around the various cling-ons in "management."
The vacation program is a known mathematical quantity and they have a year to plan for the same thing, every single year. It's just the one job the leave planners have and they can't even get that right. What a lot of ****-ups they are.
This shambles is the administrative equivalent of you sitting in the cockpit for 75 minutes then sending an ACARS saying due to systems issues you won't be ready to push back for a while. You'll get back to them by tomorrow with an update. Why is it we're the only ones in an airline - an organisation with a schedule-based system of operation - who have to do our jobs properly and on time?
No doubt someone in there was called into the office on a day off and given a warning letter over this. Right?