>>717908286 (OP)
Sawyer wrote the most interesting aspects of the story in FNV. It feels like he was the only one that actually wanted to use the settings for things besides "WACKY DARK SCIENTIFIC EXPERIMENTS". It's also clear that Gonzales contributed a lot (he was the fucking lead, but for some reason, we barely talk about him).
Avellone has some really great ideas (Dead Money is the best DLC I have even played, story wise) but he also has some works that seriously make me question what the hell is going inside his head (like Old World Blues).
All in all, you need not one, but many creative people with vision to be able to resurrect Fallout as an IP that is worth caring about.