So much software is dual purpose, though. "We need this moving object recognition for, uh, cars. So it knows where a moving person is, so it can avoid them."
So in summary, the garbage collection is not something that you just dump something on. It's not a big truck. It's a series of tubes. And if you don't understand, those tubes can be filled and if they are filled, when you put your [trash] in, it gets in line and it's going to be delayed by anyone that puts into that tube enormous amounts of material, enormous amounts of material.
A "knock-off" like the dozen or so companies who have been selling weighted blankets for years? Forget six months, you could have one before this campaign ends.
The team/cooperation part I think he's referring to is that CCC will have a large area dedicated different hackerspaces/assemblies. So c-base gets a corner that they decorate, as does Metalab, while many smaller hackerspaces will have a ~12-seat table dedicated to their group, where they can put up any cool projects they want to show off.
Maker Faire has something similar, where local groups will get an area to show off. HOPE has had some more topic-based assemblies like TOOOL. DEFCON has workshop tracks and more thematic "events" that happen, like DEFCON Shoot or the bike ride, but not as much of groups of real-life co-conspirators making things happen, with the notable exception of 303.
Any attacker above a script kiddie (where they can/want to make money off you) will have someone not as good as Dennis, but with the skill to do what's demonstrated here.
Long answer: http://youtu.be/WOcYTqoSQ68
Short answer, iirc the atheros will usually play within the rules, and the free drivers aren't super officially supported so what those crazy hackers do isn't so much their responsibility.
But that's based on half-remembering that talk, which I watched five months ago.