If you want a profound analysis, he wrote a (fiction) book recently on this subject, and put it out on the internet under a CC license. It's an enjoyable read; he pretty much distilled a few bits from the book to make that article.

Here tis: http://craphound.com/littlebrother/Cory_Doctorow_-_Little_Br...

I think it was about as in-depth as you are likely to get published in a (UK) national newspaper. One small but well-written step in the fight against the innumerate sensationalists that dominate the press and no doubt contribute to the populist over-reactions from the UK government.