Is the correct strategy to wait to regulate gas usage until every country on earth does the same? That doesn't seem like a winning strategy. Someone always has to be last.
It doesn't impact commercial use of LNG, or the extraction or export of LNG.
We are also not talking about ripping out the existing install base of appliances.
It will take at least a decade or two for that switch to reach a critical mass. That's the point when it becomes uneconomic to continue operating the domestic piped LNG network in Victoria.