Why is that whenever I read something like, "Most of us will read this and continue living our life exactly the same way as before …wake up", my immediate response is, "Fuck off, you patronising wanker"?

I think it's probably the author's assumption that they're on to something new - a thought that doesn't recur over and over again:

http://www.tor.com/images/stories/blogs/13_10/BadForYou-tech...