Your right about the Exodus, quite a few are considering other careers,and the Merlin plus rumours of a Culdrose move could be the nail in the coffin for many....?
There is a number of issues regards CHF/Junglie (correct spelling) crewman,and many Command Personalities seem either powerless or lack the desire to address the many issues raised.
Eventually it may as you say come back to haunt them.