Stop your bloody whinging....
QF need to have a bit of extra money in the Kitty, because if their future oil assessments are a tad low, or someone slips on a bar of soap in the middle east creating panic and driving the oil prices higher, or god a forbid, a major war, then QF will rapidly become unfeasable, ops will scale back and good bye jobs.
Hows those jobs in India and China looking now boys and girls?
4S