How so? If they are a playable faction, they would cease to be an occasional adversary, and Mirror Borg is a huuuge stretch canon-wise, something CBS would more than likely shoot down( I am assuming you meant "open to interpretation"?).
yup. and you got to remember one thing . its about the buck now if CBS thinks they can make good money off of something they will do it just look at JJ film case closed lol