I sailed up the GBR many times over 26 years at sea carrying coal from Hay Point, Dalrymple Bay, Gladstone, Newcastle etc to Japan mostly. Also with many other types of cargo too. ALWAYS carried a pilot when we were inside the reef.
The problem here is too many third world companies have totally undercut the Officer and Crew $$$ rates normally associated with the more traditional Merchant Navy maritime nations...i.e. western world and Commonwealth Countries. Third world certification is in most cases purchased or is of such a low standard that there are ports around the world that will not even recognise them and allow the ships in their waters.
When I was Chief Engineer working for a Scottish Company a complete Polish crew of 28 people could be employed for what I was paid as C/E. When the USSR broke up another dirthe of lowly qualified and cheap crews became available.
For the life of me I cannot even imagine what the OZ authorities were thinking to allow a deep sea, loaded, Chinese vessel in their waters without a pilot.
I guarantee the rules are going to change and that many good OZ pilots will be able to get back to work.
Scuppers, the original Sailor Dog