I may not have made myself clear. The AF A319 was missing some 1,280 fuel. That is a lot of fuel. If that happened on one flight, it should have been noticed either by the operating crew or at least error checking software when fuel burns were checked and analysed. The next barrier might be Engineering regularly performing a cross check of dips with ECAM. If none of these things were ever done, every crew flying this particular aircraft may have been flying with less fuel than they thought they had. But the point I'm making is that flying with minimum fuel would not have altered the outcome, unless of course we take some for Mum and the kids, a bit for Gran and a tonne and a half extra for possible gauge error - or should it be five tonnes?
And Framer, I normally (but not always) have diversion fuel when I park - as I said, I'm spoilt for choice.