Oh, but they have. Multitudes of experiences, all of which point to the same general conclusion -- QF agents are inconsistent, ranging from fine to completely making up false "rules".

On that note, I have created a separate thread for all of such relevant comments. One place to share experiences with QF customer service re: xONEx, xGLOBx, xCIRx
Oneworld booking and pricing experiences with Qantas (QF)