Not only do the UK, Australia, or Canada and New Zealand for that matter, not behave qualitatively differently, but as the "Five Eyes" surveillance states, they'll spy on one another's citizens (and occasionally their own) for one another, effectively gutting any legislative prohibitions on domestic surveillance.

https://plus.google.com/u/0/104092656004159577193/posts/2ncB...

Tipped off to me by SoftwareMaven here at HN: https://news.ycombinator.com/item?id=9077061

(Links are described in more detail in my G+ post above)

http://www.theguardian.com/world/2013/nov/20/us-uk-secret-de...

http://www.theguardian.com/world/2013/dec/02/revealed-austra...

http://www.theguardian.com/politics/2013/jun/10/nsa-offers-i...

http://uk.reuters.com/article/2013/06/21/uk-usa-security-bri...