In F:NV there's supposed to be hundreds of thousands of people around the mojave (NCR army/civilians, CL horde, tribes, inhabitants of NV, everyone else)
Because of this, it just doesn't "feel" right much of the time. Especially coming from F3 where it wasn't a stretch to think that only 9 people lived in a certain area. Now, it feels silly that the NCR/Legion would have an end-game battle with less than a dozen troops.
I like NV but I keep having problems with it... I make these posts so they don't make the same mistakes with F4.