Re: "GPL requirement could have a chilling effect on derivative distros"

[Alfred M. Szmidt]

   What is relevant is first sale. That is, the owner of a lawful copy has
   the right to sell that copy. Thus, the sale can take place without
   accepting the license. 

Are you sure?

| 5. You are not required to accept this License, since you have not
|    signed it.  However, nothing else grants you permission to modify
|    or distribute the Program or its derivative works.  These actions
|    are prohibited by law if you do not accept this License.
|    Therefore, by modifying or distributing the Program (or any work
|    based on the Program), you indicate your acceptance of this
|    License to do so, and all its terms and conditions for copying,
|    distributing or modifying the Program or works based on it.

Selling that copy is distribution AFAIU, the same goes for the
examples you have.