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It's worth noting that that LATAM flight is (or at least from my research in the past) notoriously late. So that could cause you problems.
Sydney is pretty good generally, especially if you have a smart passport. You'll need to hoof it from your plane, usually 5-10 min to the duty free, fill out a form quickly on a computer, then go through the smart gate. You can be at the baggage carousel in 15 minutes, no problems. Longer if you need to queue for the passport desks though.
The baggage is the big problem. There are plenty of carousels, but if multiple flights arrive at the same time, everyone immediately goes from there into customs, and there are only 'two' lines (multiple ones merge). The queue here can be an hour, or it could be 10 minutes. Coming from NZ you're pretty safe for questioning as they know NZ is strict like Australia for foods, vegetable material and the like.
Then you'll need to check in, and Scoot is upstairs down the end. It's a 5 min walk from the end of customs, so not too bad. Easy to find, same terminal. And once you've checked in you know you'll make it.
Of course, that's a risk.
You could look at booking it with a credit card with travel insurance built in - you've not made an unrealistic connection, it's just that other delays might cause you problems - the airline, the passport, the carousels and customs. Other than that, you're fine.