You need some kind of loyalty scheme to prevent exactly the exodus that would otherwise ensue without it. It may be outdated but it works
err, that'll be the circa 80 pilots that have left left bmi in the last 18 months to go to other large operators. All senior FO's (+the odd captain), potential captains with +3000 hrs and an airbus rating. Really advantageous for the company.
By the way, has Ge*ff "Hello, is that Gulf Air" Lnkr had anything to say since the count.