There's clearly sufficient demand for them to have settings to lock the profile down from search engines, and non-logged in users. I'd wager that most users who

There's clearly sufficient demand for them to have settings to lock the profile down from search engines, and non-logged in users. I'd wager that most users who set the privacy settings (heck look at this post) don't realize that random strangers with zero professional interest can see enough detail to cause serious harm if they wanted.