Some of the people obviously know how to, I mean, there are apps to even hide items for the quicklaunch bar.

I wrote an email to the publisher of one of those applications saying that I've been playing a bit with the X-Status-Menu-Position into the /etc/hildon-desktop/status-menu.plugins file but I haven't found a way to move the 2G/3G applet position neither the brightness.

He answered:
Hi
yes, that file is the key. However it is pre-populated with applets shipping on the device only and never updated after. That is why you do not see those add-ons you installed yourself.

Br,
--jakub

I mean, I KNOW THAT, the point is what do you need to change/edit/alter to hide or change the position of the applets you installed afterwards???