If I had a squad the size of the NCR Army in one random encounter I could seize control of everything on the map. They all have infiinite ammo, super health and crit nearly every shot. These guys could control this whole map. There should be no uncontrolled territory with an army this big galavanting around.
If you want to make enemies, try to change something.
It's not wasteland simulator. Realism is incompatible with Fallout lore.Also realism is rarely playable if you try to adapt it in a RPG.Although a FOnline server with realistic post-apocalyptic scenariocould be interesting... but it would have to be more like survival sim than MMO.If you make mobs as weak as players, they will be in fact 2 times weakerbecause they don't have player brain. Actually they are too weak now IMHO.