> So what are all the people that don't have video cards suppose to do
> that don't support 3D. Use KDE? I thought gnome was continuing to
> support that use case?

Yes, thats the much-talked about fallback. Supporting that does not mean
that we have to support only installing the half of the desktop you
want.

maybe the problem is somewhere else: why gnome does not switch to plan b if gnome-shell is not installed?