Let them leave... let them all leave.
It opens up fantastic opportunities for those like me who want to stay.
I can't think of many places where I could get a jet command in so short a time. RD is spot-on, stay and you progress a whole lot quicker.
At the end of the day I'd rather be a known individual, a name to the management down in EXT rather than a staff number in Heathrow, Castle Donn or Luton.