Sure, but would also invalidate peoples old sets - and prizes.
It's possible, but if we work on the assumption they try to stay backward compatible you also have the prospect of either banning the ordinance fixes on a card-by-card basis, or entirely overpowering it, at this point. It would have worked, but I'm just not convinced it would still work now. I guess we can blame the card-based balance patch nature for ordinance as the key there.
(I'm still puzzled why they didn't just declare that Attack(Target Lock) and Attack(Focus) didn't modify the dice with the upgrade in question, which would've been enough to buff such weapons; instead we got guidance chips. Mathematically it works out, but one would've been a tidy little FAQ. Shrug.)
Edited by Reiver