Originally Posted by
intuition
Because I'm suddenly featured on the front page, referenced in a blog or put on a toplist or my post is suddenly used out of context. Your second sentence says you already have intentions to use the collected data in other ways than just to provide feedback.
I don't see a big difference between Helpful votes and "Suggest this thread for TalkMail". Nobody has ever asked for ability to prevent others from suggesting your thread for TalkMail.