maybe they haven't done it, since the same team would have 2 - 3 volumes dedicated just for them, with 2 different teams winning once
at least for mixed
maybe they dont know which members teams had, so it would be pretty tough to find who participated for the teams. Almost all the gsts were recorded, but a few are missing, and the only person I know which had one of them was James. He deleted the video or made it private