Update: Any writerly types want to weigh in on whether or not the second reacquisition type mentioned on the WGA page in question comes into play here, based on the information related above about Goners?
Update: A note about the wild card of money: Variety reported at the time of the script sale in 2005 that Universal paid “seven figures” for it, which certainly helps reflect the Hollywood Reporter remark that “most writers don’t have the funding to take back their projects”.