We can only speculate what might or might not have happened, and you can argue either way really. Bottom line is we won comfortably so all is well in the end. However, that notwithstanding the reasons they gave for not enforcing the follow on were utterly ridiculous given the match situation and the nigh-on 400 first innings lead. If it was actually to protect someone or there was a niggle or other injury we were not privy to, then it would be more understandable I suppose. Without the benefit of any of that inside knowledge, to me, on the face of it, you should always minimise risk, and the best way to do that would have been to get Pakistan back in to bat straight away - it was telling that Pakistan couldn't believe what they had just been told by Cook. Good win in the end though, let's give them another two doings in the final two tests now.