Originally Posted by
Tiger_lily
And more to the point why are BA and Virgin reducing them only in Economy? There's no justification for wringing the last penny out of J pax IMO
I suppose that with a J seat... the passenger could in theory be checking in 2 bags, hence twice the weight and more fuel needed

nah, but seriously, I don't agree with it either, but what can you do?
On a serious note, Southwest in the USA has just made it's first loss due to fuel hedging

this article gives a good explanation how it works:
http://aviationblog.dallasnews.com/a...e-you-die.html