Mate you should really consider getting a social competence Training IRL. You seem to lack every little bit of empathy and rational thinking about others point of view (heh) of things.
BTT:
You're not getting an advantage, if you play with a 4:3 Monitor you actually see more than with a 16:9 on Vanilla WoW. Should we ban 4:3 Users now?
Blizz changed it with WotLK so the FoV scales correctly since around that time people started to actually buy 16:9 Screens.
Conclusion: If Nost can adapt to people farming DME & DMN and change the Game to something that isn't blizzlike its also possible to let people use a correct FoV.
If you want to ban any kind of advantage then request Nost to hand out a customized WoW Vanilla with locked Mod Folder, because as of now i can see incoming Heals including calculated +Heal on Items, someone without Luna can't. So this is an advantage isnt it?