How could they make a Fallout MMORPG? The whole "FEEL" of the Post-Apocalyptic Wasteland that we know and love is being alone in it...
No, that's just how Bethesda took the series. The Fallout series was originally about the civilisation that developed after the apocolypse.
Hopefully, they'll show us a world where the original Fallout universe is still alive. And better yet, show the newcomers who loved Fallout 3 what was originally involved.
I'm not holding my breathe though, and anyway, i don't play MMOs.