restricting rsync over ssh

[Mike Rubel]

> Somewhat belatedly, I can report that I use rysnc in daemon mode in
> conjunction with an SSH tunnel, but using remote port forwarding. I
> use the method to distribute password and shadow files.

It seemed like this ought to be possible.

So, out of curiousity, why does rsync include a "-e ssh" option at all?
Wouldn't it be simpler to pick one protocol (rsync)  and let the user
tunnel it over his or her favorite encrypted transport?

Mike