I'm a big fan of the camera to create General Arrangement drawings. As you know the camera takes in all the members that lie inside the camera boundary and shows them on the drawing. Quite often I don't want certain types of members to be showing, for example On my steel marking plans I don't want to show Purlins & Bridging. So in the drawing I have to isolate these 2 layers then delete those members, update the drawing and unisolate the other members. This is time consuming and I also feel it shouldn't be necessary. My solution could be that part the way through the drawing creation a dialogue box will appear and give you a choice to deselect model roles or it could be to deselect layers. This new command that the Autocad developers may adopt could also be used for any other views that you create. I suppose you could also have a tick box in the Management Tools to "SHOW MODEL ROLE DESELECTION IN DRAWING CREATION".
Regards Tony