There may be another side to all this.
It is quiet convenient for the UK MOD, or other organisations, to use "reliable" cargo carriers such as MK to fly their "dirty" cargo, when necessary.
Can you amagine, BA or Virgin crews for eg. flying some of the loads that I know for a fact have left the UK to some very intesting places.
Like it or not, they may not be JAR OPS but they get the job done and with a lot less fuss and BS.