User blog comment:Dopp/Message Wall Now Available in Labs/@comment-1393830-20120130181751/@comment-1025281-20120131080753

I think this is a matter of personal preference. Personally, I find that I want to know about people replying to a thread I posted on, and I much prefer the automatic watching of threads in Message Wall to how I had to manually check or watchlist talk pages. People don't like being ignored, and this helps me know whether they're looking for further answers or not. Perhaps there could be a preference for this, but I would strongly be in favour of having automatic following of threads on by default, so that new users at least know a message they posted on someone else's wall has been replied to.