Originally Posted by MacSvensson
One would think that uninstalling nouveau would remove every trace of it from the system and blacklisting it in grub wouldn't be necessary.
Why would one think that? The nouveau DRM is part of the linux kernel, not a separate package like the nouveau Xorg driver. It's no different than any other kernel module, in that case. For example, you can remove all the alsa packages, but the kernel modules would still exist.