I have no problem with satellite communications and even the Brotherhood communicating across country. What I have a problem with is the Brotherhood apparently just randomly forming new chapters of themselves in the middle of nowhere with nothing but radio contact this shortly after the War. The BoS is not some sensible idea that everyone could just get behind, they're basically a bunch of loonies if we're being honest. A bunch of people in a bunker pretending to be some sort of high tech knight order, seriously? And you're telling me that this is something that can spread via radio? Organizing yourself to survive and rebuild is not some foreign idea, but rebuilding pretending you're some sort of paladin is. If you met the BoS dudes in person, ok, but not over radio. And not just 25 years after the War, but that's just my feeling. All in all, this reeks of laziness in writing. Bethesda's vision of Fallout is based on two basic pillars: Brotherhood of Steel, and super mutants. Without those they can't make a Fallout game because without them they wouldn't know what to write. It's their "look, this is Fallout and not some other world" paintjob that they have to put on. Let's face it, they will ALWAYS have BoS and super mutants in their games, no matter how stupid it would be. And that is lazy and boring. /edit: Mind you, this could have been done in an interesting way, if Bethesda had spent more then two minutes thinking about it. Make the WV BoS a complete mockery, a bunch of dudes silkscreening a shoddy logo on their jammies to cosplay post-apocalyptic knights they heard about over the radio. That would have been funny.