lomopeso
My cynical guess is: Zero.
They will say that P&W designed it and said it was good and that the engines are not the aircraft. We'll get the "We are working closely with our friends and colleagues in P&W and FAA to ..." to ensure where the blame goes. Then you can discuss the, "Who asked for engines that could go further/faster on less fuel and be reliable for ages? Well, ultimately, the passengers!