Bethesda doesn't know if Fallout 76 will ever move beyond America, but does give "a special shout-out to Fallout London" for making the dream a reality
I find perceiving mods as part of a core game weird as hell. But one thing I think Bethesda could do better was simply versioning. If there is a major, mod breaking update then proceed as planned but create a snapshot of older version and allow people access to it - as Beta version in Steam for example.
But it is silly to think that company shouldn't update their software because of mods.