So... I have a 373 (which I've owned for a little more than a year), which has MASSIVE amounts of peeling just as you've pictured, but 100% of the peeling is on the underside of the cabin sole in the bilge, or in the compartments under the main cabin seats, or inside the engine compartments, inside the aft-most cockpit lockers etc. etc... no peeling at all in "visible" places anywhere in the cabin at all. The extent of the peeling is way too great for it to be a coincidence that it is all hidden. Either this boat was refinished, and whoever refinished it only did it in all the "visible" places, or moisture from the bilge accelerated the process everywhere "invisible", or Beneteau themselves used a different product on different "sides" of the wood based on whether it faced into the cabin, vs. into the bilge/engine/lockers. I vacuum up the "sheets" of lacquer (or whatever the product is) from the bilges to keep things tidy, but I've been meaning to ask the previous (he's also the original) owner whether he knows more of the story.