Explain how they are cheaper then DEP's.
Also watch this space for a change in contracts to take the annual incremental pay system out to 35+ years! (Currently 24) possibly amongst other changes as well!. So to get to the top of the payscale tree will take an extra 11 years. Quite alot cheaper for BA in the long run. Don't blame the company totally blame the Government/European Union. (Delete as appropriate)
As always, just a rumour or possibly pure conjecture!