Catastrophe Theory
Word is that only 70% of annual leave entitlement has been released to the system for bidding.
'Planning' (sic) and management meanwhile want see how far they can stretch the rubber band by plundering all those wasteful G and O days on the roster.
The good news is that you probably wont have to wait long for the catastrophic rebound when the band snaps!
Just don't stand in the way in case you get caught in the backlash.