You need to read the comments above you.
There is a scenario where DFM wins (bringing them to 4-1) and Paper Rex losing (bringing them to 3-2). Therefore, Talon and DFM will have the same record, but DFM will be 1st seed due to the h2h.
The guy literally said "If PRX wins and DFM wins, DFM is 2nd seed." What are you arguing about