User blog comment:PlantyThePottedPlant/Random Topic Blogging II: Electric Blogaloo/@comment-3006892-20120127171730/@comment-5151799-20120127231724

It depends. Personally, I don't think it's that invasive, unless you're an FBI agent and what you say must be kept confidential. But keep in mind that anyone could check what was on your talk page BEFORE by just going to it - this will just make their work easier. :p