Give Tore Than Just Renown for Private V.S. Games

That is the reason we should have barracks so we can have reserve troops in case we have to adjust our lists after new patches. Because "useless" troops doesn't mean you wont play these units anymore, they just don't fit in the current meta or in you actual army list. Then you could save those units in the barracks and train new units accordingly, and some time later there will be most certainly an opportunity to get back to those units in the barracks.