I note that Australia is unrepresented in any of the synchronised events ( they have 7 of 8 possible places in the individual events )
I read that they declined to participate at the qualification event for covid reasons
I checked the last 5 Olympics - that's 20 synchro events and 20 possible medals .
Australia won 7 medals in synchro diving - which ,while not in China's league, is pretty good . So that was quite a decision
Australia also declined to participate in the World Athletics World Relays -they only had one medal of a possible 20 there so this is unlikely to be a medal loss decision . still pretty hard on some individuals who dreamed of being Olympians