The first three author paper was uploaded by someone who wasn't authorized by the others to do so, and since that one was so flawed, the others apparently were

The first three author paper was uploaded by someone who wasn't authorized by the others to do so, and since that one was so flawed, the others apparently were forced to quickly upload the six author version, which was better but still flawed. So it seems the whole thing was intended to happen in a much more orderly matter than it did.