Indeed - he basically just said to the ISPs 'do this or we'll make you do it'.

Thanks to the (abysmal) technical knowledge of our MPs, any site-blocking bill would have flown straight through as soon as the phrases 'cyber-bullying', 'think of the children' or 'illegal downloads' were mentioned. In that light, I think the ISPs probably chose the least bad option - comply, lie low and hope that they can sit it out until the government forgets about the whole thing.