I don't get the negative comments.
When has modding stuff suddenly become a bad thing?
Not exactly the same thing, but a long while ago I modded a 1st gen ATV with a large fan after noticing slowdowns after it getting really hot along with the occasional artifacting, probably due to the age and the undersized fan Apple used.
After the mod, the fan was actually audible, but the slowdowns went away along with the artifacts. Well worth the little extra noise.
To the OP, look into the thermal pad mod, as that seems to improve things, and if you still experience throttling, maybe a fan might be a way to go.
The M1 MBA is not a fan-less M1 MBP.
Some people really like the design of the MBA, and some really dislike the Touch Bar on the MBP.
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