I think Australia will win the series convincingly.
I think you're right. With Warner and Smith back in the team, and Labuschagne hitting form, I think it'll be a tall order bowling them out twice for low enough scores to win. And if the pitches do end up being spicy and low-scoring, I think that our batting line-up will be more fragile than theirs.
We'll need Williamson and Taylor to repeat the series with the bat they had last time around for us to have some sort of shot here.
Think low scoring shootouts are probably our best chance.
Not sure I agree that our batting line up is as fragile. Outside Smith and Warner, not a huge amount to be frightened of (watch Travis Head score three centuries now). Feel like Labuschagne could be vulnerable while the rest of them are on their second or third go in the team. Feel like the drop off from Taylor/Williamson to the rest of our line up isn't as big as the drop from Smith/Warner to theirs. But maybe them being at home changes that balance.
I hope I'm wrong. But when you look at the batting outside of Williamson and Taylor, you have Raval who is basically a walking wicket right now, Latham and Watling who have both tended to struggle against quick bowling on bouncy pitches, de Grandhomme who also has a weakness against short bowling, and Nicholls who is potentially a bit of a wild card, but he's never played tests in Australia and isn't in the best of form right now (although it would be unfair to say he's in poor form). I don't think it's a coincidence that the test series losses that this team has had over the last few years (other than India, who are clearly the best test team in the world right now) came against Australia and South Africa, teams with quick bowlers who tend to bowl short of a length and get a bit of bounce.