I'm not giving up on this one haha
There should be a menu to see and manage all materials. Prefereably in the outliner under a seperate tab. The hypershade simply doesn't cut the mustard at the moment. The concept of 'shader', 'material' and 'shading group' gets used in different ways in different parts of the software. Shading groups are at the end of a material node graph and should be considered the Material that you assign.