What governments have to do is surely to cushion the impact - before the $ impact is known!
Keeping as many people in gainful employment and as many lockdown citizens in gainful pursuits at home - safely - is what I see the Australian government doing.
Being fair to employers and businesses by providing them with direct assistance at a time when their income have been reduced to zero - so that when the lockdown is lifted they can still employ staff - is what I see the Australian government doing.
Bandaid and populism in paying out $10 billion in wage subsidy is what this government is doing - for what if many of the SMEs do not survive?