User blog comment:BertH/Fluid layout is arriving on December 4/@comment-5810621-20131118225348/@comment-1824272-20131119031055

I think you're assuming too much. You do not have Fluid enabled on the wikis where you are admin, so you can't automatically assume that this will be that big of a pain in the ass. Wait for its release and then give your final judgment; until then, enjoy the news that necessary change is coming.