The other thing I'd say about Spain. Without Puyol and Pique off form their CBs look a bit soft, and the fullback positions are equally dodgy (Alba is basically a winger and Arbeloa generally looks like he's not quite good enough for the company he's in).
They are not weak defensively by any means but it is slightly frail. By maximising the amount of possession they have, limiting the transitions of play, push the opposition back and press the ball immediately when they lose it they can limit the amount of times the defence is placed under genuine pressure. In a way it is playing to their strengths to cover their weaknesses.