The sole list member who replied wanted terms defined before he could answer a question about what platforms had DVD players. And it wasn't just anti-MPAA rhetoric that obscured useful discussions. It's interesting computer science, but I don't think it's germane. It didn't work, at least not at first. It is germane however.
Interoperability requires programs.
Program needs to be defined. Still, it's probably too early to evaluate the success of the open-law efforts. For one thing, the list is just three weeks old, and it might take considerably longer for people to find it and for discussions to stabilize. And the participants have already put together an undeniably useful list of frequently asked questions . We're getting some helpful elaborations.