@Seppli: @Ahmad_Metallic: I see no reason why you can't have the commo rose as well as the contextual commands. The rose is the base, but you have the default center option as contextual. So if you aim at a medic, the default selection is to ask for health. You still have the option to navigate the other menus but the rose adapts to the context in which is was initiated.
As for flooding, look at TF2. There is fairly bad spam there at times, but most often the voice comms there are used to pretty good effect.
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