For real-I think he picked Quentin b/c he seems like the last person anyone would think of going to DD for anything.
The show could have done a lot of things, but they didn't. If only The Doctor were here. He'd do it, take her on the TARDIS and send her back.
I think Amaya didn't fight RF b/c they were afraid that she'd die.
Wouldn't the Black Flash kill every Eo?