I love Thorgy, but based on her read for Bob, I have the impression that the stress of the competition was really getting to her at that point. Alternatively, maybe she and Bob got together behind the scenes to cook up some drama and get more screen time (they have known one another for years). They're both smart queens, so it's a possibility.
I don't know what happened, but it seemed like everyone, those two especially, was extra salty last night. (In honor of Betty, perhaps? ;) )