They cant. Its a design issue that should have been addressed a long time ago. These special zones on the servers dont work in wow for servers with population imbalances, why would it work here?
I would love if you could change the border thickness of all the windows. Resize the main map (is it necessary to always put the legend there? How about allowing us to disable it). Extending the companion ability bar at the bottom left without covering your bottom action bars (really dumb IMO)