Maybe in his eyes it's different if there is no more looming danger, distractions and all the possible competition has gone their own way? He has Tav all to himself at that point. He can take his time trying to convince Tav to change their mind. It could also be a spared remnant of cut content and not just a loophole. Perhaps it was possible to stall it a bit and have some extra time to decide before the end of the game.
