Peter I see nothing that is sensible in your posts, if you are annoyed "that most media now spell it as Anzac" you really should take it up with the Australian media themselves.
The following picture is an original ANZAC badge design, drawn by an ANZAC on his arrival in England after just being evacuated from ANZAC.
Seems to me in the eyes of some ANZACs, the ANZAC legend was something much more than just ANZAC.