It's not inexplicable at all. CH got tactically outsmarted on Saturday and that was painfully obvious within 5 minutes of the game starting. They pushed up, compressing the game and with no outlet ball in behind and a flat 5, we couldn't play past the first press. They let Duffy have as much of the ball as he wanted because they know thee guy can't pass for toffee beyond a 5 yard ball to either his CB partner or our RB, but they then pressed in groups against our most effective ball players. We allowed them to do that by starting with the personnel we had and the flat midfield we started with. Saturday's on CH and the fact that he didn't change the shape until the 70th minute is an insult to fans quite frankly.
I think this is spot on. We've seen it a few times lately - stand on the full-backs and close down Duffy, Dunk and Ryan. We have NOTHING in response.