[Site Functionality] - Private Messaging

For those that are not aware (as I was until a few minutes ago, which I had to resort to google to find incidentally) private messaging is actually present here. However for reasons unknown to me, instead of being a pervasive access item anywhere on the site, it's fairly hidden and requires that you follow the user you wish to message for the interface to be visible. It would appear to be available at any time with a redirect to http://snapzu.com/message/pm/<username>.

So I have two questions relating to all of this:
- Why is the pm system implemented this way?
- Are there plans to revise it?