Weird, I had never heard of any of this when I was trying to learn more before switching.

The exceptions to this are Arch using an installer

idk, i installed arch (btw :comfy-cool:) the normal way and haven't had any problems. twice actually, on my pc and laptop which both have nvidia gpu's. maybe things have changed since you last looked into it?

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Debian ships an iso with proprietary drivers; Ubuntu comes with them I believe. Nouveau usually works well enough to get you a desktop. Not sure about Redhat derivatives.