Yep. Don’t blame you @JamesSunderland, nvidia configuration has been changing every 3 months for the last 3-4 years or so and there’s a lot of outdated or just bad advice floating around. That comment may well be bitrot, too.
The state of the nvidia drivers is a mess. Only mildly related, but I’ve been test-driving a start to a general-purpose “make nvidia work” module. I’d like to have an option where you can just set whether you have an iGPU and the GPU name, and the module figures out the rest according to current crowd-sourced nvidia config knowledge. Maybe integrate it into the nixos-generate-replacement-to-be.
I should really get somewhere with that, but my pet projects never go anywhere, so don’t expect anything anytime soon. Time and whatnot.