I'm not exactly sure what we're missing when you're just General vs Marshal in terms of info. My char Garas on EC has been General, but not Marshal, for quite a long while now and I've never felt like I was missing something tbh.
Under 'information' the General has an option to 'view armies' which gives you a detailed overview of the different units, how strong they are, where they are, if they're stationary/traveling/wounded etc. I'm not sure what we're missing considering the first point which was raised here.
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The information regarding detailed CS per unit and their status etc is only viewable for Marshals and the Army Sponsor, not the General.
I think this is the main concern of this player, as JDodger also pointed out. The other ideas are more like a brain storm of his own opinion.
Myself, I do tend to like sponsors being able to appoint their own Marshals, for the reason you pointed out. As far as who can view what information, I am too uninvolved in such positions to really know whether it is annoying.
