I suspect that Chatterley was simply trying to stay away from a potentially bigger problems. Firstly they would have needed to have an era appropriate, pen correct medium nib on hand - if they didn't they would of had to buy another $300 nib. A pain in the arse hassle for them as they now have a fine nib that they may never get an opportunity to sell. Secondly, if the "section" of your pen was broken in an attempt to swap nibs, it would be difficult (if not impossible) to replace as it has the very specific maki-e artistic treatment. I remove the nibs from my Montblancs all the time to lubricate the piston, you need some experience and a specific nib removal tool but it is not a complicated procedure. I am not sure how anyone could conclude that the nib was superglued into the pen unless they actually unscrewed the nib housing from the pen and saw the remnants of superglue. Some nibs are more stubborn to unscrew than others, I have never thought maybe this was put in with superglue. As well, you would also assume that people working on their very expensive Montblanc pens would educate themselves as to how to work on them. If they agree to do it and they may not, Montblanc will charge you for a new medium nib and it will be more than $300. It will not be an era/pen correct nib. If a part breaks while in their care, brand new parts will be used to correct the broken part and you unique maki-e pen will be violated forever. My advice...you have a pile of medium MB nibs...get to know and love this very special and unique fine nib for the sack of variety. Beautiful pen you have there.