[OSM-talk] How is there not any creative-type (US) copyright in OSM data?

[Anthony]

On Sun, Dec 13, 2009 at 12:12 AM, John Smith <deltafoxtrot256 at gmail.com>wrote:

> 2009/12/13 Anthony <osm at inbox.org>:
> > On Sat, Dec 12, 2009 at 10:56 PM, John Smith <deltafoxtrot256 at gmail.com>
> > wrote:
> >>
> >> That's the issue I have, I have no problem giving back to the
> >> community, but I don't want commercial companies just sucking up all
> >> the data and not giving hardly anything back in return if they extend
> >> the map, it's not fair to me or anyone else who chooses to donate our
> >> time for "the greater good".
> >
> > It's perfectly fair.  You agreed to license your contributions under
> > CC-BY-SA.  CC-BY-SA doesn't require that you give anything back to
> anyone.
> > It only requires that you give credit to the authors and license any
> > derivative works that you distribute under CC-BY-SA.
> >
>
> That isn't the debate, the debate is if CC-BY-SA can enforce it or
> not, some people claim it can't in some countries even Australia to
> some extent or other, so ODBL is being presented as an option to close
> loopholes that CC-BY-SA has.
>

If CC-BY-SA can enforce what?  Attribution?  If geodata isn't copyrightable,
then it doesn't matter if the derivative works are released under CC-BY-SA.
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