Sorry Brian Blank but I cannot agree with your reasoning.If aircraft were able to be designed and built the way you suggest then there would be no requirement for the two highly paid professionals up the front.. .The fact remains that the two pros could not accept that they had a fuel leak even after the ecam warned them that they had reached a 3ton imbalance in a very short period.The oil press/ temp was not an ECAM but an interpretation by the flt deck,ie it was different to the other engine.