Exactly, that's really weird, even the 80 Sta Map is awful.
My plan was first to stop the current event at 2400 Dumplings to play the Reissued instead, but since I have already completed Lechenaultia I don't have any reason to re-farm her maps for so low rewards, I will just play to get the FG (?-4 and ?-8). And so I am back farming Dumplings...