My XPS15 regularly throttles and sounds like it’s about to take off.
By the way, “throttling” refers to CPU _slowing down_ despite cooling working at full capacity, so loud fans in itself isn’t one.
e: Another way to explain thermal throttling would be “thermal fading”, like brake fading on a car. Whether brake fading is considered a design fault or a feature that allow bursts of stronger brakes is semantic.
https://www.theage.com.au/technology/apple-fans-burned-by-ho...
Thin and light is great for short bursts of activity, but, when you need sustainable heavy usage, you'll need a bigger computer, even if it's just to have a bigger heatsink.
https://www.reddit.com/r/macbookpro/comments/gs6bal/2019_mbp...
We have no idea what the M1 would look like. Though it's likely. I imagine they wouldn't have taken the fan out of the Air if that was a big concern.