I’ve read some more threads about this issue and it doesn’t seem exclusive to Arch or the 2070 Super like this one: PowerMizer Performance always at max, cannot control GPU fan manually
He says that
Others have mentioned this is intentional; probably because there are too many pixels to shove through the pipeline
But that makes no sense because this wasn’t an issue with his 3080 card, and it’s no issue on Windows either.
I just wish if it were intentional Nvidia would at least comment on one of these threads and tell us, or if it’s a bug that they acknowledge it exists and are working on it.