1) Even if we accept that the majority of the Vaults weren't meant to actually save people - there's still no direct evidence that any other countries even had any equivalent to Vaults, or that their shelters were any better.
Well, it's pretty logical to think that other countries would have created their own fallout shelters as in this real timeline. It's just not probable that countries would sit there and wait for the nukes to fall, and not make any preparations. And if they did make fallout shelters it's likely that they would not have made them experiments like the Vaults in the US. My point was that a few more survivors (larger gene pool, speciality base, labor, etc.) could do a lot in a post-apocalyptic setting.
2) Ausir would know more about this (which means I could be wrong,) but it was my understanding that what we had was a World War. Not just two countries trading trading nukes, but pretty much all the major superpowers duking it out. It's not just China and the US going at it, with everyone else just twiddling their thumbs.
Yeah, the war was a "World War" with all nuclear capable countries launching. However, it would seem likely that the
majority of the nukes would have been launched by the US and China due to the fact that they were at war. While other countries would have panicked and set off their own nukes, it's likely that they weren't "official" launches, but panicked launches made by technicians who were in charge of the nukes. I think this is likely because the prime minister of Britain would realise that there would be no reason to think that nukes from the US or China is approaching them, due to the simple reason that the the nukes between the two countries need to go through the Pacific, which is as far as you can get from GB. However, some stupid technician could launch nukes, but these would be isolated incidents and smaller in quantity than the official launches of China and the US.
3) If the above it true, then it leads to the assumption that any major superpower also got nuked. And if that's the case, then I don't see as how any country that got nuked would be any better off than anyone else. If anything, the US probably came out better than a lot of other places. Remember, the US had control of the last remaining natural resources - even if a couple countries did make it through relatively unscathed they still have no resources to fall back on. Think of the Mad Max scenario - Australia didn't get bombed, but they're busy fighting each other over the last remaining reserves of gas and converting pig manure into methane. (Obviously, that's not in the Fallout timeline, but I'd imagine a Fallout: Australia would present pretty much the same circumstances. For what I think would be obvious reason...)
Some countries can get by better, since suffering from a few nukes is easily recoverable (Japan in our world). My general point is that while a nuked country would still be devastated, five nukes is much better than say a hundred nukes. Also you have to remember that there is a limited amount of uranium and that a single bomb takes millions of dollars to create and maintain. In our world China "only" has 180-240 nuclear weapons due to the cost and the general lack of uranium in that country. This situation is probably true in the FO universe because it split around WWII. In WWII, creating the first atomic bomb took 2 billion dollars (or 24 billion dollars today) to create. This would mean that any nuclear capable country in the Fallout universe and this universe would have the exact same problems and obstacles that it needs to overcome. Also this is supported in game considering how nuclear technology was very expensive and only a few individuals could afford it (look at the timeline in the wiki). So this would mean that other nuclear capable countries would have less of an impact than the nuclear war between China and the US.
This brings us to the second point in #3. While I haven't played the first two Fallouts, it's my impression that they didn't use a huge amount of oil or steel except in isolated areas. So, I would guess that a lot of the world would be on a equal footing in terms of natural resources. And, if the NCR could be created in the enviroment with few resources, it's not a stretch to think that there are other new states emerging in other parts of the world.
4) It's Fallout. It's not about what's "realistic," but what fits stylistically.
Hmm? I realise that this game isn't suppose to be realistic, but what does that have to do with what's happenning to the rest of the world?
5) http://en.wikipedia.org/wiki/Schr%C3%B6dinger%27s_cat. Applied to videogame lore - anything not specifically delineated within the game itself or supplementary materials can be said to both be true and false at the same time. Until an in-game event, developer interview, or other supplementary material proves it one way or another - it effectively exists in a probability bubble.
(EDIT - yes, I did just use a thought experiment that points out a controversial potential flaw of quantum mechanics and applied it to game design. I think the point stands, though... The "did this happen in the game even though there's been no mention of it" always reminds of me of "if a tree falls in the woods and no one's there to hear, does it still make a sound?"
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I know that :hehe: However, what I put in the first post was what I thought was logical. For example your anology about the tree wouldn't make for a good debate because a tree would logically make a sound no matter what. As long as we use logic, this topic is pretty debatable. The fact that there isn't a in-game event, developer interview, etc. just means that we can have a discussion without someone bringing up a wiki article.