Why is Fedora not a Free GNU/Linux distributions?

[Antonio Olivares]

> > The GPL then violates #9 in the definition
> 
> > 9. License Must Not Restrict Other Software
>  
> It doesn't, really.  It applies to a program, and to
> other works
> derived from the program.  It doesn't apply to works
> that are merely
> aggregated in the same distribution medium, without forming
> a single
> program under copyright law.
> 
> -- 

Then how could the fork of cdrecords had to be created if it was not Restrict Other Software?

http://lwn.net/Articles/198171/

What is the real explanation then?
The explanations that I have read are not very convincing :(
The arguments are very much red tape and political in nature :(

Is this a case of a misinterpretation of the GPL?

Regards,

Antonio