Quote Originally Posted by A.Saturnus
Well, if there's something like glorious achievements for example, non-playable factions may be short-changed. But other than that I agree that it's pretty much a non-issue.
I believe in some MTW mods like the XL mod, there were a whole bunch of new factions and of course unlocked ones and they all had custom GA points. If I'm not mistaken, then that shouldn't be an issue either as it's moddable.