When I noticed I could opt in interests for the advertising I did that instead. Maybe I'm doing it wrong but if they are going to give me advertisement at least now maybe I'll find some of them relevant. I appreciate the gesture that they let people who care more about their own privacy than me to opt-out, though.

Great timing, I was just wishing there were a way to ensure that all advertising be unrelated to things I am interested in.

This was posted last week.

http://news.ycombinator.com/item?id=511506

The sort of person who wants to opt out is probably using adblock anyway.

adblock can have its disadvantages as well, however.