Great opportunity for Australian airlines with knowledge and experience of remote aerodrome operations to fill the gap, increase Australian pilot employment and gain some leverage for more sensible crew quarantine arrangements.
Problem will be additional to the expense is you are then putting many more Cabin Crew and to a lesser extent Pilots, at risk of Covid. Anyone who does the charter will then be quarantined for two weeks.
However if the state governments of Australia want to play the zero Covid game then this is what it will cost. Maybe they can starting footing the bill for their policies this time around.