I'm tempted to refrain from asking this, since I can see why this wouldn't be possible, but is there a chance we'll ever get Linux versions of the Fallout games? I mean, probably not, because GoG can't sell them anymore, and making/maintaining a wrapper for Linux would represent a loss for them, but you don't knuw unless you ask questions.
Has there been any official word on this?

They can't do anything with the games unless they are able to strike a deal with Bethesda. The odds of Bethesda supporting a GOG release of Fallout on Windows is slim already so I doubt there will ever be a neatly packaged Linux release.