Because arguably, he could be for Vegas at least. NCR and Legion have very different problems as Norzan mentioned. That's the whole point, Hegelian dialects is a theme here. The thesis, antithesis and synthesis. The Legion and NCR are two things in conflict that will resolve to form a new proposition. That's what Caesar was talking about. Didn't matter which won in his eyes with this, what he said he believed to be true for either side winning. To the initial question. I'm always going to say New Vegas between these two. I love this game a lot and I feel like 2 fixed technical issues of 1 but didn't get the right feeling of the game down and whatnot.