Slice,
Under CASR part 136 freight will be aerial work
http://rrp.casa.gov.au/casrcreate/136.asp, and a freight only operator will not need an AOC, just an OC. I know some parts of CASA view night freight as aerial work as the risk assessment has been done for part 136.
I dont think the allegations you raised would be the reason why, and woud be fool hardy to make any allegation regarding any operator on here unless you are willing to use your real name so that they can take you to court for liable at a later stage.
Think what Woomera has said is all anyone can say with fact, anything else you will need to wait for the AAT to complete its due process.
Many in our industry are quick to forget that every individual or organisation has a right to natural justice, and we should preface any suggested activity of an individual or organisation as an allegation. What is posted here is not a balanced argument, no cross examination, no experts, and no decision from a court.
