Your bias is showing, it will happen no matter how long it takes and Australia loses a market.
I already seen pics of Russians showing that weapon as a war loot.
Doesn't matter, their government who are allies to Russia will demand a change. They are after all the Former N Vietnam government who won the Vietnam war and reunify Vietnam.
Vietnam and Russia are allies. If Russia can't pay using using Swift than Vietnam will use the Chinese payment system because it is already trading a lot with China.
They have 3.7 million reserves, behind Australia 6 million but opening up more mines will be Ok. China produces 2nd behind Australia despite having only 1 million reserves so this means China imports a lot of ore.