Another funny update?

[Bruno Wolff III]

On Tue, Jun 15, 2010 at 16:25:38 -0400,
  Marcel Rieux <m.z.rieux at gmail.com> wrote:
> 
> Another thing that would be nice is an howto on disinstalling nvidia drivers
> made available on Fedora's or rpmfusion's site. Last time I looked there
> were none, if I remember well.

This page has some of what you want:
http://rpmfusion.org/RPMFusionSwitcher

> I do understand Fedora can't tell how to install nvidia drivers but it could
> tell how to uninstall them.

That's for libdvdcss and may apply to some patented stuff. For stuff that's
just proprietary and not illegal to distribute, Fedora can point to it.