what you are seeing is the disconnect between the opensource community and the academic community.
for those of is in opensource, this is old news (almost the same post that he made a year ago)
but for the academic world, this is going to be their first introduction to the problem. At that, this is just a summary with the formal paper detailing all of this still under development (although JG indicates that he is hoping to get the formal paper done about the time the print copy of this gets into people's hands)
there has been some progress in getting things into linux, but much of it is still in the matter of producing new options for people to test and see how they work in the real world.