There may have been other factors, but regardless I doubt he'll be back.
Then we all have really suffered a loss. When I read a forum such as this, I not only look for diversity of opinion, but clarity of thought and critical analysis of the issues. Baker provided all of these.
Personally, I've found that my mind isn't fast enough to be an active participant in the volume of discussion that occurs here. I can read it, digest it, and enjoy it - but for me to respond to more than a few articles a week would take far too much time.
I recognize those that can post and respond frequently as having something that I lack. Perhaps God intended me to be a lurker.