Presumably the agreement is up for renewal at some point (or perhaps has some break clauses), so the decision makers at QF/EK must have some spreadsheets giving them numbers to justify wether to carry on. It would be interesting to see those numbers and how they are calculated.
Very specific questions have been asked by analysts regarding the so called 'alliance'. As a shareholder one must ask the question whether there ever was a tangible commercial benefit for Qantas? Despite repeatedly being asked senior management never provide any data regarding the revenue and other benefits...According to the little fella, 'the passengers love it'..It is likely EK do too..